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15c73691780252a5571bfa7902b4dc227ec66c84
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: V=V qdio fixes
Problem Details: Using FCP devices with V=V support, the input queue stalled when CCQ 97 had been returned in qdio_do_eqbs. When this happen we have to reissue the eqbs instruction. Another bug was when V=V was enabled we checked if hardware has SIGA-sync support. If not we returned with 0 from tiqdio_is_inbound_q_d...
```diff diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 45ce032772f4..9ed37dc9a1b0 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -165,8 +165,13 @@ qdio_do_eqbs(struct qdio_q *q, unsigned char *state, q_no = q->q_no; if(!q->is_input_q) q_no += irq->no_input_qs; +again:...
fcab6f351305029fc5e3c632209d45cae57e4835
Analyze and fix the following issue in the Linux kernel code: [PATCH] mm/mempolicy.c: fix 'if ();' typo
Problem Details: [akpm; it happens that the code was still correct, only inefficient ] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Lameter <christoph@lameter.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 6422fe478113..880831bd3003 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -587,7 +587,7 @@ redo: } list_add(&page->lru, &newlist); nr_pages++; - if (nr_pages > MIGRATE_CHUNK_SIZE); + if (nr_pages > MIGRATE_CHUNK_SIZE) break; } err = migr...
7fd105e758c8d746d57ab7e77f100e096bf153c8
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix compile for CONFIG_SYSVIPC=n or CONFIG_SYSCTL=n
Problem Details: The compat syscalls are added to sys_ni.c since they are not defined if the above CONFIG options are off. Also, nfs would not build with CONFIG_SYSCTL off. Noticed by Arthur Othieno. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Trond Myklebus...
```diff diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 547d649b274e..b4dc6e2e10c9 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -398,7 +398,7 @@ extern struct inode_operations nfs_symlink_inode_operations; extern int nfs_register_sysctl(void); extern void nfs_unregister_sysct...
7a9166e3b037296366cea6f3c97f705d33e209e6
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix undefined symbols for nommu architecture
Problem Details: Signed-off-by: Luke Yang <luke.adi@gmail.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/include/linux/mm.h b/include/linux/mm.h index 26e1663a5cbe..498ff8778fb6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1051,7 +1051,11 @@ int shrink_slab(unsigned long scanned, gfp_t gfp_mask, void drop_pagecache(void); void drop_slab(void); +#ifndef CONFIG_MMU +#define randomize...
c8b8b1f2e0eeb91cca22211950742b5f51564672
Analyze and fix the following issue in the Linux kernel code: [PATCH] powermac: Fix loss of ethernet PHY on sleep
Problem Details: Some recent PowerBook models tend to lose the ethernet PHY on suspend/resume. It -seems- that they use a combo ethernet-firewire PHY chip and the firewire PHY seems to die the same way when that happens. Not trying to toggle the firewire cable power appears to fix it. So this patch disables changes ...
```diff diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 558dd0692092..34714d3ea69a 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1646,10 +1646,10 @@ static void intrepid_shutdown(struct macio_chip *maci...
e1c92117558261d5504c59712751f6c7925ff3ba
Analyze and fix the following issue in the Linux kernel code: [PATCH] v9fs: update documentation and fix debug flag
Problem Details: Minor updates to the documentation to bring them into sync with current websites and available features. The debug flag was switched back to hex to match the documentation. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds...
```diff diff --git a/Documentation/filesystems/v9fs.txt b/Documentation/filesystems/v9fs.txt index 4e92feb6b507..24c7a9c41f0d 100644 --- a/Documentation/filesystems/v9fs.txt +++ b/Documentation/filesystems/v9fs.txt @@ -57,8 +57,6 @@ OPTIONS port=n port to connect to on the remote server - timeout=n request time...
ab863ec342cf148d02ed180b8ecf3a71a024e4be
Analyze and fix the following issue in the Linux kernel code: [PATCH] pktcdvd: Fix the logic in the pkt_writable_track function
Problem Details: Fix the pkt_writable_track() function to make it work correctly for all types of CD/DVD discs. Signed-off-by: Peter Osterlund <petero2@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index fb08ae6de403..eb83197cc36c 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1499,28 +1499,30 @@ static int pkt_set_write_settings(struct pktcdvd_device *pd) /* * 1 -- we can write to this track, 0 -- we can't */ -sta...
aa657ca9245a06fa435e00332a13da1fce182abc
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix snd-usb-audio in 32-bit compat environment
Problem Details: I'm getting oopses with snd-usb-audio in 32-bit compat environments: control_compat.c:get_ctl_type() doesn't initialize 'info', so 'itemlist[uinfo->value.enumerated.item]' in usbmixer.c:mixer_ctl_selector_info() might access random memory (The 'if ((int)uinfo->value.enumerated.item >= cval->max)' doesn...
```diff diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c index 418c6d4e5daf..a529b62972b4 100644 --- a/sound/core/control_compat.c +++ b/sound/core/control_compat.c @@ -167,7 +167,7 @@ static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id, int *countp) { struct snd_kcont...
a9c930bac163c5e616ca0ba9378e7dc746c93227
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix units in mbind check
Problem Details: maxnode is a bit index and can't be directly compared against a byte length like PAGE_SIZE Signed-off-by: Andi Kleen <ak@suse.de> Cc: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index bedfa4f09c80..6422fe478113 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -808,7 +808,7 @@ static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask, nodes_clear(*nodes); if (maxnode == 0 || !nmask) return 0; - if (maxnode > PAGE_SIZ...
6303dbf570e410067380daec670fdb4137ac0d1d
Analyze and fix the following issue in the Linux kernel code: [PATCH] cpu hotplug documentation fix
Problem Details: Looks like there was a merge conflict when patches 8f8b1138fc9f65e3591aac83a4ee394fef34ac1d and 255acee706b333b79f593dd366f16e1f107cccc3 were applied which wasn't properly resolved. Fix this and add some additional description. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ashok Raj <a...
```diff diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt index e71bc6cbbc5e..57a09f99ecb0 100644 --- a/Documentation/cpu-hotplug.txt +++ b/Documentation/cpu-hotplug.txt @@ -46,10 +46,12 @@ maxcpus=n Restrict boot time cpus to n. Say if you have 4 cpus, using maxcpus=2 will onl...
d2799f083dcad0413ad1a396e9bc32d9afb70535
Analyze and fix the following issue in the Linux kernel code: [PATCH] spi: Fix modular master driver remove and device suspend/remove
Problem Details: Fix two problems in the spi subsystem: 1) spi subsystem core dumps when modular spi master is unloaded. 2) spi subsystem core dumps when spi slave device is suspended/resumed and module slave driver is not loaded. Signed-off-by: Stephen Street <stephen@streetfiresound.com> Signed-off-by: David Bro...
```diff diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 791c4dc550ae..94f5e8ed83a7 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -90,7 +90,7 @@ static int spi_suspend(struct device *dev, pm_message_t message) int value; struct spi_driver *drv = to_spi_driver(dev->driver); - if (!drv->suspen...
d86d43706a27bb87c2873de369f94a10f8758063
Analyze and fix the following issue in the Linux kernel code: [PATCH] cfi_cmdset_0001: fix range for cache invalidation
Problem Details: I found an issue in cfi_cmdset0001.c. It is related to cache region invalidation in the buffered write procedure. The code performs cache invalidation from "cmd_addr" to "cmd_adr + len" in do_write_buffer() while we modify region from "adr" to "adr+len". This issue affects writes + reads of data by ...
```diff diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 69c04945591f..ded2c33f5b85 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -1019,8 +1019,8 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, #de...
cc1887f3d8ae8ea61efa1a75af8ec0467b9dd546
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: fix qc->n_elem == 0 case handling in ata_qc_next_sg
Problem Details: This patch makes ata_for_each_sg() start with pad_sgent when qc->n_elem is zero. Previously, ata_for_each_sg() unconditionally started with qc->__sg, handling the first sg to fill_sg() routines even when the entry was invalid. And while at it, unwind ?: in ata_qc_next_sg() into if statement. Signed-...
```diff diff --git a/include/linux/libata.h b/include/linux/libata.h index 9e5db2949c58..c91be5e64ede 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -556,6 +556,16 @@ ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc) return 0; } +static inline struct scatterlist * +ata_qc_first...
9ae61c6cb69f5251d160576c324948805f97e901
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: fix WARN_ON() condition in *_fill_sg()
Problem Details: For ATAPI commands, padding can reduce qc->n_elem by one and thus to zero making assert(qc->n_elem > 0)'s in ata_fill_sg() and qs_fill_sg() fail for legal commands. This patch fixes the assert()'s to take qc->pad_len into account. Although the condition check seems a bit excessive, as this part of co...
```diff diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 7ddd5a69352a..bbac87a13d57 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2570,7 +2570,7 @@ static void ata_fill_sg(struct ata_queued_cmd *qc) unsigned int idx; assert(qc->__sg != NULL); - assert(qc->n...
56497bd5f1340cb97d94cab953b050be6f729790
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: fix comment regarding setting cable type
Problem Details: The comment above ata_std_postreset() specified that setting cable type is the responsibility of postreset(), which isn't possible / optimal depending on controller / driver. This patch kills the comment. Setting cable type is responsibility of ->probe_reset. libata doesn't care whether it's done in ...
```diff diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 76621463b499..62340f4ef004 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2112,7 +2112,6 @@ int sata_std_hardreset(struct ata_port *ap, int verbose, unsigned int *class) * This function is invoked after a ...
a5fd79ccd60b7c9cc0221dfaaa950933eff6af99
Analyze and fix the following issue in the Linux kernel code: sata_vsc build fix
Problem Details:
```diff diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c index 2d448e84889c..5845758e9a69 100644 --- a/drivers/scsi/sata_vsc.c +++ b/drivers/scsi/sata_vsc.c @@ -229,7 +229,7 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance, qc = ata_qc_from_tag(ap, ap->active_tag); if (qc &&...
a8372f035aa2f6717123eb30679a08b619321dd4
Analyze and fix the following issue in the Linux kernel code: [NET]: NETFILTER: remove duplicated lines and fix order in skb_clone().
Problem Details: Some of netfilter-related members are initalized / copied twice in skb_clone(). Remove one. Pointed out by Olivier MATZ <olivier.matz@6wind.com>. And this patch also fixes order of copying / clearing members. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <...
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 6766f118f070..2144952d1c6c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -411,6 +411,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) C(pkt_type); C(ip_summed); C(priority); +#if defined(CONFIG_IP_VS) || defined(CONFIG...
8e249f088131cde5f77fd073bf0b0e8b3e9ea4ac
Analyze and fix the following issue in the Linux kernel code: [NETFILTER]: Fix outgoing redirects to loopback
Problem Details: When redirecting an outgoing packet to loopback, it keeps the original conntrack reference and information from the outgoing path, which falsely triggers the check for DNAT on input and the dst_entry is released to trigger rerouting. ip_route_input refuses to route the packet because it has a local sou...
```diff diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c index 7c3f7d380240..ab1f88fa21ec 100644 --- a/net/ipv4/netfilter/ip_nat_standalone.c +++ b/net/ipv4/netfilter/ip_nat_standalone.c @@ -200,20 +200,14 @@ ip_nat_in(unsigned int hooknum, const struct net_device ...
669d32a293a348e692c365ddac2b23f3b907fcf1
Analyze and fix the following issue in the Linux kernel code: [IRDA]: irda-usb bug fixes
Problem Details: This patch fixes 2 bugs in the USB-IrDA code. The first one is a buffer overrun in the RX path. We are now using IRDA_SKB_MAX_MTU when initializing the Rx URB. The second one is a potential stack recursion when unplugging the USB dongle. It seems that first we get the Rx URB with a generic error cod...
```diff diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index fa176ffb4ad5..8936058a3cce 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -108,6 +108,7 @@ static void irda_usb_close(struct irda_usb_cb *self); static void speed_bulk_callback(struct urb *urb, struct pt...
bc6e14b6f0b06fe93d809d22e257ddd275feeda9
Analyze and fix the following issue in the Linux kernel code: [NETFILTER]: Fix NAT PMTUD problems
Problem Details: ICMP errors are only SNATed when their source matches the source of the connection they are related to, otherwise the source address is not changed. This creates problems with ICMP frag. required messages originating from a router behind the NAT, if private IPs are used the packet has a good change of ...
```diff diff --git a/net/ipv4/netfilter/ip_nat_core.c b/net/ipv4/netfilter/ip_nat_core.c index c1a61462507f..1741d555ad0d 100644 --- a/net/ipv4/netfilter/ip_nat_core.c +++ b/net/ipv4/netfilter/ip_nat_core.c @@ -434,6 +434,7 @@ int ip_nat_icmp_reply_translation(struct sk_buff **pskb, } *inside; struct ip_conntrack_t...
995110143880fd9cb255fa5df05f8950c56fb43a
Analyze and fix the following issue in the Linux kernel code: [XFRM]: Fix policy double put
Problem Details: The policy is put once immediately and once at the error label, which results in the following Oops: kernel BUG at net/xfrm/xfrm_policy.c:250! invalid opcode: 0000 [#2] PREEMPT [...] CPU: 0 EIP: 0060:[<c028caf7>] Not tainted VLI EFLAGS: 00210246 (2.6.16-rc3 #39) EIP is at __xfrm_policy_dest...
```diff diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 98ec53bd3ac7..5e6b05ac1260 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -885,8 +885,6 @@ restart: * We can't enlist stable bundles either. */ write_unlock_bh(&policy->lock); - - xfrm_pol_put(policy); if...
496b7a5159b8366b003bbc17f8c4e27f69b6779e
Analyze and fix the following issue in the Linux kernel code: [PATCH] powerpc: Fix bug in spinup of renumbered secondary threads
Problem Details: If the logical and physical cpu ids of a secondary thread don't match, we will fail to spin the thread up on pSeries machines due to a bug in pseries/smp.c We call the RTAS "start-cpu" method with the physical cpu id, the address of pSeries_secondary_smp_init and the value to pass that function in r3....
```diff diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 8e6b1ed1396e..8d710af50756 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -292,7 +292,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) if (start_cp...
f018b36f3e1f21318066de8d01740d30e38b03d5
Analyze and fix the following issue in the Linux kernel code: [PATCH] powerpc: Don't start secondary CPUs in a UP && KEXEC kernel
Problem Details: Because smp_release_cpus() is built for SMP || KEXEC, it's not safe to unconditionally call it from setup_system(). On a UP && KEXEC kernel we'll start up the secondary CPUs which will then go beserk and we die. Simple fix is to conditionally call smp_release_cpus() in setup_system(). With that in pla...
```diff diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a717dff695ef..f96c49b03ba0 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -311,8 +311,6 @@ void smp_release_cpus(void) DBG(" <- smp_release_cpus()\n"); } -#else -#define smp_release_cpus(...
2b9a32edba3af9ad4ccb23574bea0cc34455dc43
Analyze and fix the following issue in the Linux kernel code: [PATCH] powerpc: Fix OOPS in lparcfg on G5
Problem Details: Fallback gracefully when reading /proc/ppc64/lparcfg when the /rtas device node can't be found. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
```diff diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 1ae96a8ed7e2..e789fef4eb8a 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -341,7 +341,7 @@ static int lparcfg_data(struct seq_file *m, void *v) const char *system_id = ""; unsigned int *lp_ind...
092b8f3488a3e50a4ab5f2f3f7c8bbf56b3144e1
Analyze and fix the following issue in the Linux kernel code: powerpc: Keep xtime and gettimeofday in sync
Problem Details: This fixes a regression which was introduced by moving ppc32 to use the same sort of lockless gettimeofday as ppc64 has been using for some time. This involves getting the timebase and performing some simple arithmetic to convert it to seconds and microseconds. However, the factor and offset used the...
```diff diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index 475249dc2350..cd75ab2908fa 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -176,7 +176,6 @@ struct timex32 { }; extern int do_adjtimex(struct timex *); -extern void ppc_adjtimex(void); ...
0f558c333445a0181f33f9e6f996ce7cf008206a
Analyze and fix the following issue in the Linux kernel code: kbuild: fix a cscope bug (make cscope segfaults)
Problem Details: Workaround a cscope bug where a trailing ':' in VPATH makes it segfault and let it build the cross-reference succesfully. VPATH=/home/mattia/devel/kernel/git/linux-2.6: cscope -b [1] 17555 segmentation fault VPATH=/home/mattia/devel/kernel/git/linux-2.6: cscope -b Signed-off-by: Mattia Dongili <ma...
```diff diff --git a/Makefile b/Makefile index a55a1e4e6cda..7a95f4f8ef14 100644 --- a/Makefile +++ b/Makefile @@ -137,7 +137,7 @@ objtree := $(CURDIR) src := $(srctree) obj := $(objtree) -VPATH := $(srctree):$(KBUILD_EXTMOD) +VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) export srctree objtre...
8ea80ca4f583e377c902811d42626ccfce16913f
Analyze and fix the following issue in the Linux kernel code: kbuild: fix segfault in modpost
Problem Details: Do not try to look up section name until we know it is not a special section. Otherwise we will address outside legal space and segfault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index a7360c379cba..eeaf57476820 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -576,11 +576,11 @@ static void check_sec_ref(struct module *mod, const char *modname, r.r_offset = TO_NATIVE(rela->r_offset); r.r_info = TO_NATI...
41370d3b5ec6401c5cf0df82297ed989c03a64bd
Analyze and fix the following issue in the Linux kernel code: kbuild: do not segfault in modpost if MODVERDIR is not defined
Problem Details: A combination of calling modpost with option -a and MODVERDIR undefined caused segmentation fault. So provide a default value and accept the error messages it generates instead. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c index 5c0754526a26..8a2875689e4d 100644 --- a/scripts/mod/sumversion.c +++ b/scripts/mod/sumversion.c @@ -381,8 +381,11 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen) struct md4_ctx md; char *sources, *end, *fname; ...
9d6e7a709cdb8f43d9a9ac5532b54a3e70415b9b
Analyze and fix the following issue in the Linux kernel code: kbuild: fix comment in Kbuild.include
Problem Details: Noted by Olaf Hering <olh@suse.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 3e7e0b278b96..c3d2e4e068c4 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -45,7 +45,7 @@ define filechk endef ###### -# cc support functions to be used (only) in arch/$(ARCH)/Makefile +# gcc support functions # See docu...
96678281bfaa5f04752a98f9b93454041169fd3b
Analyze and fix the following issue in the Linux kernel code: kbuild: fix mkmakefile
Problem Details: With the current way of generating the Makefile in the output directory for builds outside of the source tree, specifying real targets (rather than phony ones) doesn't work in an already (partially) built tree, as the stub Makefile doesn't have any dependency information available. Thus, all targets wh...
```diff diff --git a/scripts/mkmakefile b/scripts/mkmakefile index c4d621b30d0d..a22cbedd3b3e 100644 --- a/scripts/mkmakefile +++ b/scripts/mkmakefile @@ -21,11 +21,13 @@ KERNELOUTPUT := $2 MAKEFLAGS += --no-print-directory +.PHONY: all \$(MAKECMDGOALS) + all: \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) -%::...
379b5441aeb895fe55b877a8a9c187e8728f774c
Analyze and fix the following issue in the Linux kernel code: x86: align per-cpu section to configured cache bytes
Problem Details: This matches the fix for a bug seen on x86-64. Test booted on old hardware that had 32 byte cachelines to begin with. Signed-off-by: Zach Brown <zach.brown@oracle.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
```diff diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index 4710195b6b74..18f99cce5895 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -7,6 +7,7 @@ #include <asm-generic/vmlinux.lds.h> #include <asm/thread_info.h> #include <asm/page.h> +#include <asm...
06300b21f4c79fd1578f4b7ca4b314fbab61a383
Analyze and fix the following issue in the Linux kernel code: kbuild: support building individual files for external modules
Problem Details: Support building individual files when dealing with separate modules. So say you have a module named "foo" which consist of two .o files bar.o and fun.o. You can then do: make -C $KERNELSRC M=`pwd` bar.o make -C $KERNELSRC M=`pwd` bar.lst make -C $KERNELSRC M=`pwd` bar.i make -C $KERNELSRC M=`pwd` / ...
```diff diff --git a/Documentation/kbuild/modules.txt b/Documentation/kbuild/modules.txt index 7e77f93634ea..87d858df4e34 100644 --- a/Documentation/kbuild/modules.txt +++ b/Documentation/kbuild/modules.txt @@ -13,6 +13,7 @@ In this document you will find information about: --- 2.2 Available targets --- 2.3 A...
76b6159ba094544e003a237cedcf555d82fa3bfe
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix handling of st_nlink on procfs root
Problem Details: 1) it should use nr_processes(), not nr_threads; otherwise we are getting very confused find(1) and friends, among other things. 2) better do that at stat() time than at every damn lookup in procfs root. Patch had been sitting in FC4 kernels for many months now... Signed-off-by: Al Viro <viro@zeniv.l...
```diff diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 6573f31f1fd9..075d3e945602 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -204,10 +204,6 @@ int proc_fill_super(struct super_block *s, void *data, int silent) root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root); if (!root_inode) goto out_n...
73d72cffe53407e447df0cbb0bf15a2c931108b3
Analyze and fix the following issue in the Linux kernel code: drm: fix brace placement
Problem Details: Signed-off-by: Dave Airlie <airlied@linux.ie>
```diff diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index 6dd21754ba67..c08fa5076f05 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -506,8 +506,7 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, | RADEON_GMC_D...
91e3738ebc6d858e784090382e02afeae5a93b08
Analyze and fix the following issue in the Linux kernel code: drm: fixup i915 interrupt on X server exit
Problem Details: Fixes: IRQ disabled (i915?) when switchig between gnome themes (gnome-theme-manager) Signed-off-by: Dave Airlie <airlied@linux.ie>
```diff diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index a1381c61aa63..d3879ac9970f 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -202,10 +202,15 @@ void i915_driver_irq_postinstall(drm_device_t * dev) void i915_driver_irq_uninstall(drm_device_t * dev) { d...
35b73ceb9a7d10c81bd9e79e8485f7079ef2b40e
Analyze and fix the following issue in the Linux kernel code: [PATCH] ACPI: fix vendor resource length computation
Problem Details: acpi_rs_get_list_length() needs to account for all the vendor-defined data bytes. Failing to include these causes buffers to be sized too small, which causes slab corruption when we later convert AML to resources and run off the end of the buffer. This causes slab corruption on machines that use ACPI...
```diff diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index 7d6481d9fbec..4038dbfa63a0 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -391,8 +391,7 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Ensure a 32-bit boundary for the structure *...
74910e6c7dc7471b286a883c1a7af70483ffd2ba
Analyze and fix the following issue in the Linux kernel code: [PATCH] select: time comparison fixes
Problem Details: I got all of these backwards. We want to return min(input timeout, new timeout) to userspace to prevent increasing the time-remaining value. Thanks to Ernst Herzberg <earny@net4u.de> for reporting and diagnosing. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds...
```diff diff --git a/fs/compat.c b/fs/compat.c index a2ba78bdf7f7..5333c7d7427f 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1757,7 +1757,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, goto sticky; rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)); rtv.tv_sec = timeout...
200a4552af34b9a32e1f68a881a9ed5c7ec699cc
Analyze and fix the following issue in the Linux kernel code: [PATCH] powerpc: Fix accidentally-working typo in __pud_free_tlb
Problem Details: One of the parameters to the __pud_free_tlb() macro for powerpc is incorrect (see patch) . We get away with it by accident, because the one place the macro is called, the second parameter is a variable named "pud". Signed-off-by: David Gibson <dwg@au1.ibm.com> Cc: Paul Mackerras <paulus@samba.org> Cc...
```diff diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h index 9f5b052784a5..a00ee002cd11 100644 --- a/include/asm-powerpc/pgalloc.h +++ b/include/asm-powerpc/pgalloc.h @@ -146,7 +146,7 @@ extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); pgtable_free_tlb(tlb, pgtable...
9127dd1aace4e89acb48fbcafd0ed27d3869847b
Analyze and fix the following issue in the Linux kernel code: [PATCH] allow windfarm_pm112 module to load
Problem Details: The windfarm_pm112 module relies on smu_sat_get_sdb_partition which is in windfarm_smu_sat.c but is not exported to modules, so despite Kconfig having the option to build the pm112 as modules, this can never be loaded. This patch fixes that by exporting smu_sat_get_sdb_partition with EXPORT_SYMBOL_GPL...
```diff diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c index 3a32c59494f2..24e51d5e97fc 100644 --- a/drivers/macintosh/windfarm_smu_sat.c +++ b/drivers/macintosh/windfarm_smu_sat.c @@ -151,6 +151,7 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id...
77e7f250f88cd62844e24c42aff4d0e95969c746
Analyze and fix the following issue in the Linux kernel code: [PATCH] fuse: fix bug in aborted fuse_release_end()
Problem Details: There's a rather theoretical case of the BUG triggering in fuse_reset_request(): - iget() fails because of OOM after a successful CREATE_OPEN request - during IO on the resulting RELEASE request the connection is aborted Fix and add warning to fuse_reset_request(). Signed-off-by: Miklos Szeredi ...
```diff diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index f556a0d5c0d3..0c9a2ee54c91 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -66,6 +66,12 @@ static void restore_sigs(sigset_t *oldset) sigprocmask(SIG_SETMASK, oldset, NULL); } +/* + * Reset request, so that it can be reused + * + * The caller must be _very...
a8534adb74e23374889b84b3d97eb18da542a1b5
Analyze and fix the following issue in the Linux kernel code: [PATCH] swsusp: fix breakage with swap on LVM
Problem Details: Restore the compatibility with the older code and make it possible to suspend if the kernel command line doesn't contain the "resume=" argument Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <tor...
```diff diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 4e90905f0e87..2d9d08f72f76 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -153,13 +153,11 @@ static int swsusp_swap_check(void) /* This is called before saving image */ { int i; - if (!swsusp_resume_device) - return -ENODE...
6cadb78b3bec0a439a99db8fb550dc568e924ae6
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: fix assignment instead of check in ccw_device_set_online()
Problem Details: Fix assignment instead of check in ccw_device_set_online(). Also remove unneeded assignment in ccw_device_do_sense(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Tor...
```diff diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 062fb100d94c..afc4e88551ad 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -359,7 +359,7 @@ ccw_device_set_online(struct ccw_device *cdev) else pr_debug("ccw_device_offline returned %d, device %s\n", re...
54330456b2e3398743586254f6d7695061ea0d49
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: smp initialization speed
Problem Details: The last changes that introduced the additional_cpus command line parameter also introduced a regression regarding smp initialization speed. In smp_setup_cpu_possible_map() cpu_present_map is set to the same value as cpu_possible_map. Especially that means that bits in the present map will be set for...
```diff diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index d0a2745aec7f..7dbe00c76c6b 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -677,17 +677,21 @@ static unsigned int __initdata possible_cpus; void __init smp_setup_cpu_possible_map(void) { - unsigned int pcpus, cpu; + unsig...
1fca251f36fac3fae7d9cf10de69c2c93f6c0000
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: fix preempt_count of idle thread with cpu hotplug
Problem Details: Set preempt_count of idle_thread to zero before switching off cpu. Otherwise the preempt_count will be wrong if the cpu is switched on again since the thread will be reused. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Tor...
```diff diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 008c74526fd3..da6fbae8df91 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -128,8 +128,10 @@ void default_idle(void) __ctl_set_bit(8, 15); #ifdef CONFIG_HOTPLUG_CPU - if (cpu_is_offline(cpu)) + if (cpu_is...
05efc67d100ff6c3364604b72729addf1a86fdab
Analyze and fix the following issue in the Linux kernel code: [PATCH] arch/sh/Kconfig: fix the ISA_DMA_API dependencies
Problem Details: Jean-Luc Leger <reiga@dspnet.fr.eu.org> found this obvious typo. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 504d56f8ca7f..e73621d03a28 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -446,7 +446,7 @@ endmenu config ISA_DMA_API bool - depends on MPC1211 + depends on SH_MPC1211 default y menu "Kernel features" ```
8c9e877949d953e80d0d400bc4d1d1195a2028a4
Analyze and fix the following issue in the Linux kernel code: [PATCH] Infineon TPM: IO-port leakage fix, WTX-bugfix
Problem Details: Fix IO-port leakage from request_region in case of error during TPM initialization, adds more pnp-verification and fixes a WTX-bug. Signed-off-by: Marcel Selhorst <selhorst@crypto.rub.de> Acked-by: Kylene Jo Hall <kjhall@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Tor...
```diff diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index ec7590951af5..24095f6ee6da 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -33,6 +33,7 @@ static int TPM_INF_DATA; static int TPM_INF_ADDR; static int TPM_INF_BASE; +static int TPM_INF_A...
b2f49033d80c952a0ffc2d5647bc1a0b8a09c1b3
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix deadlock in ext2
Problem Details: Fix a deadlock possible in the ext2 file system implementation. This deadlock occurs when a file is removed from an ext2 file system which was mounted with the "sync" mount option. The problem is that ext2_xattr_delete_inode() was invoking the routine, sync_dirty_buffer(), using a buffer head which w...
```diff diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index a2ca3107d475..86ae8e93adb9 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -792,18 +792,20 @@ ext2_xattr_delete_inode(struct inode *inode) ext2_free_blocks(inode, EXT2_I(inode)->i_file_acl, 1); get_bh(bh); bforget(bh); + unlock_buffer(bh); }...
0565c26de7b2c069add553106f210b3128b67785
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: minor fix for 2.6.16-rc3
Problem Details: - Fix the array index value in ata_rwcmd_protocol() for the added FUA commands. - Filter out ATAPI packet command error messages in ata_pio_error() Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
```diff diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 46c4cdbaee86..7ddd5a69352a 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -614,7 +614,7 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc) } else if (lba48 && (qc->ap->flags & ATA_FLAG_PIO_LBA48)) { /*...
f5e2a7b22e7d7dfda8794906d0fddeaaa09bb944
Analyze and fix the following issue in the Linux kernel code: [PATCH] bonding: fix a locking bug in bond_release
Problem Details: bond_release returns EINVAL without releasing the bond lock if the slave device is not being bonded by the bond. The following patch ensures that the lock is released in this case. Signed-off-by: Stephen J. Bevan <stephen@dino.dnsalias.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jef...
```diff diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index e0f51afec778..bcf9f17daf0d 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1581,6 +1581,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) printk(KERN_INFO...
66cc5d5aee1ea427b3aeacdabd006a4195c81eee
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: some qeth driver fixes
Problem Details: [patch 2/2] s390: some qeth driver fixes From: Frank Pavlic <fpavlic@de.ibm.com> - fixed kernel panic when using EDDP support in Layer 2 mode - NULL pointer exception in qeth_set_offline fixed. - setting EDDP in Layer 2 mode did not set NETIF_F_(SG/TSO) flags when device became online. - use ss...
```diff diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index 9a064d4727ad..4df0fcd7b10b 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -1075,16 +1075,6 @@ qeth_get_qdio_q_format(struct qeth_card *card) } } -static inline int -qeth_isdigit(char * buf) -{ - while (*buf) { - if...
ca5b0ec8ae9f11c85d1f27b19f182a054303f324
Analyze and fix the following issue in the Linux kernel code: [PATCH] smctr warning fix
Problem Details: drivers/net/tokenring/smctr.c: In function `smctr_load_firmware': drivers/net/tokenring/smctr.c:2981: warning: assignment discards qualifiers from pointer target type Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
```diff diff --git a/drivers/net/tokenring/smctr.h b/drivers/net/tokenring/smctr.h index b306c7e4c793..88dfa2e01d6e 100644 --- a/drivers/net/tokenring/smctr.h +++ b/drivers/net/tokenring/smctr.h @@ -1042,7 +1042,7 @@ typedef struct net_local { __u16 functional_address[2]; __u16 b...
6f4c56b2ae10b680be518cc99f5308fc59236db2
Analyze and fix the following issue in the Linux kernel code: [PATCH] sky2: speed setting fix
Problem Details: Users report problems w/ auto-negotiation disabled and the link set to 100/Half or 10/Half. Problems range from poor performance to no link at all. The current sky2 code does not set things properly on link up if autonegotiation is disabled. Plus it does not contemplate a 10Mbit setting at all. Thi...
```diff diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index cae2edf23004..bfeba5b9cd7a 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -520,10 +520,16 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) switch (sky2->speed) { case SPEED_1000: + reg &= ~GM_GPCR_SPEED_100; reg...
564f9abb34c936e5d0c7682129042dad14dbbb95
Analyze and fix the following issue in the Linux kernel code: [PATCH] skge: speed setting
Problem Details: This is a clone of John Linville's fixed for speed setting on sky2 driver. The skge driver has the same code (and bug). It would not allow manually forcing 100 and 10 mbit. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
```diff diff --git a/drivers/net/skge.c b/drivers/net/skge.c index bf55a4cfb3d2..67fb19b8fde9 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -1697,6 +1697,7 @@ static void yukon_mac_init(struct skge_hw *hw, int port) skge_write32(hw, SK_REG(port, GPHY_CTRL), reg | GPC_RST_SET); skge_write32(hw, SK_REG(...
aca0b510cdbf81d52e15014a720be2b8dfd26aea
Analyze and fix the following issue in the Linux kernel code: [PATCH] Wavelan_cs bitfield fixes
Problem Details: Some bitfields were incorrectly initialised in wavelan_cs, causing some compiler warning. Also killed a error message that should not be there... Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
```diff diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index cf373625fc70..98122f3a4bc2 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -950,16 +950,8 @@ wv_82593_cmd(struct net_device * dev, static inline int wv_diag(struct net_device * de...
cfe91f9ce297e23e6fbdf61c02bdd8ab9af7c8a8
Analyze and fix the following issue in the Linux kernel code: [PATCH] i386: fix singlestepping though a syscall
Problem Details: Do not mask TIF_SINGLESTEP bit in _TIF_WORK_MASK. Masking this stopped do_notify_resume() from being called when it should have been. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h index e20e99551d71..1f7d48c9ba3f 100644 --- a/include/asm-i386/thread_info.h +++ b/include/asm-i386/thread_info.h @@ -158,8 +158,8 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__; /* work to do on inter...
d30864392823d5f38002fa32950689e651ee11da
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix SGI O2 compile error in drivers/video/gbefb.c
Problem Details: A sysfs function call uses the wrong parameter, and thus breaks a build on SGI O2. CC drivers/video/gbefb.o drivers/video/gbefb.c: In function ‘gbefb_remove’: drivers/video/gbefb.c:1246: error: ‘dev’ undeclared (first use in this function) drivers/video/gbefb.c:1246: error: (Each undeclared ide...
```diff diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c index 38d22729b129..c9a7cdf6d543 100644 --- a/drivers/video/gbefb.c +++ b/drivers/video/gbefb.c @@ -1243,7 +1243,7 @@ static int __devexit gbefb_remove(struct platform_device* p_dev) (void *)gbe_tiles.cpu, gbe_tiles.dma); release_mem_region(GBE_...
726c14bf499e91e7ede4f1728830aba05c675061
Analyze and fix the following issue in the Linux kernel code: [PATCH] Provide an interface for getting the current tick length
Problem Details: This provides an interface for arch code to find out how many nanoseconds are going to be added on to xtime by the next call to do_timer. The value returned is a fixed-point number in 52.12 format in nanoseconds. The reason for this format is that it gives the full precision that the timekeeping code...
```diff diff --git a/include/linux/timex.h b/include/linux/timex.h index 04a4a8cb4ed3..b7ca1204e42a 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -345,6 +345,9 @@ time_interpolator_reset(void) #endif /* !CONFIG_TIME_INTERPOLATION */ +/* Returns how long ticks are at present, in ns / 2^(SHIFT_SC...
dd942ae331425812930cd01766178b7e28e65f2d
Analyze and fix the following issue in the Linux kernel code: [PATCH] Handle all and empty zones when setting up custom zonelists for mbind
Problem Details: The memory allocator doesn't like empty zones (which have an uninitialized freelist), so a x86-64 system with a node fully in GFP_DMA32 only would crash on mbind. Fix that up by putting all possible zones as fallback into the zonelist and skipping the empty ones. In fact the code always enough alloca...
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 3bd7fb7e4b75..323fdcf128c4 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -132,19 +132,29 @@ static int mpol_check_policy(int mode, nodemask_t *nodes) } return nodes_subset(*nodes, node_online_map) ? 0 : -EINVAL; } + /* Generate a custom zonelist for...
2aed711a399cbc4a9bf239c13f05a8a8b460f215
Analyze and fix the following issue in the Linux kernel code: [PATCH] x86_64: Always pass full number of nodes to NUMA hash computation
Problem Details: Previously the numa hash code would be confused by holes in the node space and stop early. This is the first part of the fix for the non boot issue with empty nodes on Opterons. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c index a5663e0bb01c..dd60e71fdba6 100644 --- a/arch/x86_64/mm/k8topology.c +++ b/arch/x86_64/mm/k8topology.c @@ -155,7 +155,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) if (!found) return -1; - memnode_shift =...
ab68805955ee3dd84a6aa76cd70e61fde996968d
Analyze and fix the following issue in the Linux kernel code: [PATCH] x86_64: Don't enable ATI apicmaintimer workaround when the machine has C2 or C3
Problem Details: Many laptops have problems with ticking the local APIC timer in C2/C3. The code added earlier to use it by default on ATI didn't really work for them. Don't enable it when the system supports C2/C3. This doesn't fix the problem fully, but at least it's not worse than before. Signed-off-by: Andi Kleen...
```diff diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 4282d72b2a26..2585c1d92b26 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -30,6 +30,9 @@ #include <linux/mc146818rtc.h> #include <linux/acpi.h> #include <linux/sysdev.h> +#ifdef CONFIG_ACPI +#inclu...
2391c4b594eb28abd58102de8f4e5d7a4fa39f4c
Analyze and fix the following issue in the Linux kernel code: [PATCH] x86_64: Don't call do_exit with interrupts disabled after IRET exception
Problem Details: This caused a sigreturn with bad argument on a preemptible kernel to complain with Debug: sleeping function called from invalid context at /home/lsrc/quilt/linux/include/linux/rwsem.h:43 in_atomic():0, irqs_disabled():1 Call Trace: {__might_sleep+190} {profile_task_exit+21} {__do_exit+34} {do_...
```diff diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index b150c87a08c6..7c10e9009d61 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -554,6 +554,7 @@ iret_label: /* running with kernel gs */ bad_iret: movq $-9999,%rdi /* better code? */ + sti jmp do_exit ...
b7cffb028abbffff3ba0b87268ecb775ed354049
Analyze and fix the following issue in the Linux kernel code: [PATCH] ieee80211: fix sparse warning about missing "static"
Problem Details: This patch adds a missing "static" on a variable (sparse complaint) Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c index 5f67c684afc2..2cb84d84f671 100644 --- a/net/ieee80211/ieee80211_module.c +++ b/net/ieee80211/ieee80211_module.c @@ -213,7 +213,7 @@ void free_ieee80211(struct net_device *dev) static int debug = 0; u32 ieee80211_debug_lev...
22d8846e5ce329436628da71a4239ccc2745869f
Analyze and fix the following issue in the Linux kernel code: [PATCH] wireless/airo: fix setting TX key index plus key in ENCODEEXT
Problem Details: The previous patch that added ENCODEEXT and AUTH support to the airo driver contained a slight error which would cause setting the TX key index ignore a valid key-set request at the same time. This patch allows any combination of setting the TX key index and setting an encryption key. Signed-off-by: ...
```diff diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index ef6495b07890..b96b6dbe01f9 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -6266,7 +6266,7 @@ static int airo_set_encodeext(struct net_device *dev, CapabilityRid cap_rid; /* Card capability info */ in...
1ba61e05e254a587b7a6be9484a8bcd973551be1
Analyze and fix the following issue in the Linux kernel code: [PATCH] ipw2200: Fix software crypto shared WEP authentication problem
Problem Details: We didn't set the WEP key to hardware when we are using software based crypto. Hardware needs the key to do WEP authentication even for software based encryption. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 02d2dae85c4c..30b13a6e6fd9 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -7061,8 +7061,7 @@ static int ipw_associate_network(struct ipw_priv *priv, priv->assoc_request.auth_type = AUTH_SHA...
47c51431fcc5fce3108e8e549cc9d243acd462ed
Analyze and fix the following issue in the Linux kernel code: [PATCH] trivial: fix spelling errors in Kconfigs
Problem Details: This patch corrects a few spelling and grammar errors found in drivers/net Signed-off-by: Jon Mason <jdmason@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 47c72a63dfe1..2610cedd55c7 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -66,7 +66,7 @@ config BONDING 'Trunking' by Sun, 802.3ad by the IEEE, and 'Bonding' in Linux. The driver supports multiple bonding modes to allow for bo...
23afaec4441baf0579fa115b626242d4d23704dd
Analyze and fix the following issue in the Linux kernel code: [PATCH] ipw2200: Fix WPA network selection problem
Problem Details: Do not avoid APs with wpa_ie or rsn_ie if !ieee->wpa_enabled There are broken APs out there that fill these elements even though encryption is disnabled. Also, this breaks legit WEP to WPA migration scenarious. We add a checking to prohibite WPA configured STA trying to associate with non-WPA supporte...
```diff diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 0702f0eeb784..02d2dae85c4c 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -5533,8 +5533,8 @@ static int ipw_best_network(struct ipw_priv *priv, return 0; } - if (!priv->ieee->wpa_enable...
7345137930907ba747781636c60112f7c2789aa8
Analyze and fix the following issue in the Linux kernel code: [PATCH] wireless/atmel: fix Open System authentication process bugs
Problem Details: This patch fixes a number of bugs in the authentication process: 1) When falling back to Shared Key authentication mode from Open System, a missing 'return' would cause the auth request to be sent, but would drop the card into Management Error state. When falling back, the driver should also indicate...
```diff diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index c1c27e10b8df..dfc24016ba81 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -3064,17 +3064,26 @@ static void authenticate(struct atmel_private *priv, u16 frame_len) } if (status == C80211_MGMT_SC_...
0d467502b7fc2656f01d7f18ab290c8d41762018
Analyze and fix the following issue in the Linux kernel code: [PATCH] wireless/atmel: fix setting TX key only in ENCODEEXT
Problem Details: The previous patch that added ENCODEEXT and AUTH support to the atmel driver contained a slight error which would cause just setting the TX key index to also set the encryption key again. This patch allows any combination of setting the TX key index and setting an encryption key. Signed-off-by: Dan W...
```diff diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 98a76f10a0f7..c1c27e10b8df 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -1872,7 +1872,7 @@ static int atmel_set_encodeext(struct net_device *dev, struct atmel_private *priv = netdev_priv(dev); s...
3dfaf7a68e275a1a6bee4861fdd61f911e6eb7a2
Analyze and fix the following issue in the Linux kernel code: [ARM] 3337/1: Fix NSLU2 flash support according to window size configuration patch
Problem Details: Patch from Martin Michlmayr ARM patch 3226/1 (IXP4xx runtime expansion bus window size configuration) forgot to update mach-ixp4xx/nslu2-setup.c which leads to the following compilation error. Update NSLU2 flash support following patch 3226/1. CC arch/arm/mach-ixp4xx/nslu2-setup.o arch/arm/ma...
```diff diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c index da9340a53434..f260a9d34f70 100644 --- a/arch/arm/mach-ixp4xx/nslu2-setup.c +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -27,8 +27,6 @@ static struct flash_platform_data nslu2_flash_data = { }; static struct resource ns...
8b0d5514a96daab7825f481d8cd5e88a0376d659
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix mpc83xx restart bug
Problem Details: We need to write the correct value to the RCR to get a HW reset. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
```diff diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c index 0eb3d99f1b93..1455bcef4892 100644 --- a/arch/powerpc/platforms/83xx/misc.c +++ b/arch/powerpc/platforms/83xx/misc.c @@ -35,7 +35,7 @@ void mpc83xx_restart(char *cmd) out_be32(reg + (RST_PROT_REG >> 2), 0x52535445); ...
558c70c59b75a5a53ba496fe3bccea80a9e3e6fb
Analyze and fix the following issue in the Linux kernel code: [PATCH] ocfs2: manually grant remote recovery lock
Problem Details: * fix a hang in recovery that occurred in dlmlock_remote. the $RECOVERY lock was never moved to the granted queue even after getting DLM_NORMAL back from the master node. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
```diff diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c index e709412e6e32..671d4ff222cc 100644 --- a/fs/ocfs2/dlm/dlmlock.c +++ b/fs/ocfs2/dlm/dlmlock.c @@ -220,6 +220,17 @@ static enum dlm_status dlmlock_remote(struct dlm_ctxt *dlm, dlm_error(status); dlm_revert_pending_lock(res, lock); dlm_loc...
e2b5e4506f5c5187b91d7a79fbad28fe3ebd2fc5
Analyze and fix the following issue in the Linux kernel code: [PATCH] ocfs2: fix release of ast never reserved
Problem Details: * fix a bug in dlm_convert_lock_handler where dlm_lockres_release_ast was being called even if no ast was ever reserved Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
```diff diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c index 6001b22a997d..f5c2f1979ad3 100644 --- a/fs/ocfs2/dlm/dlmconvert.c +++ b/fs/ocfs2/dlm/dlmconvert.c @@ -421,7 +421,7 @@ int dlm_convert_lock_handler(struct o2net_msg *msg, u32 len, void *data) struct dlm_lockstatus *lksb; enum dlm_status...
0425a14213f373595bd23cacdc675f2b973a28d4
Analyze and fix the following issue in the Linux kernel code: [MMC] mmci: allow small data transfers
Problem Details: If a data transfer is small (less than a FIFO size) we would hang waiting for the data to be read due to the PIO interrupt not occuring. We allowed for this in our PIO interrupt handler, but not when setting up a data transfer. Apply the "fix" when setting up a data transfer as well. Signed-off-by: ...
```diff diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c index 37ee7f8dc82f..9fef29d978b5 100644 --- a/drivers/mmc/mmci.c +++ b/drivers/mmc/mmci.c @@ -97,6 +97,13 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) if (data->flags & MMC_DATA_READ) { datactrl |= MCI_DPSM_DIRECTION; ...
90f9dd8f72773152b69042debd6b9ed6d224703a
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix over-zealous tag clearing in radix_tree_delete
Problem Details: If a tag is set for a node being deleted from a radix_tree, then that tag gets cleared from the parent of the node, even if it is set for some siblings of the node begin deleted. This patch changes the logic to include a test for any_tag_set similar to the logic a little futher down. Care is taken to...
```diff diff --git a/lib/radix-tree.c b/lib/radix-tree.c index c0bd4a914803..1e5b17dc7e3d 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -752,12 +752,14 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index) */ nr_cleared_tags = 0; for (tag = 0; tag < RADIX_TREE_TAGS; tag++) { + ...
7bbb79403163e047c6e333ff169db34e3c969e65
Analyze and fix the following issue in the Linux kernel code: [ARM] Fix SMP initialisation oops
Problem Details: A change to the SMP initialisation caused the following oops: CPU1: Booted secondary processor CPU1: D VIPT write-back cache CPU1: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets CPU1: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets <7>Calibrating delay loop... 83.14...
```diff diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index c45d10d07bde..68273b4dc882 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/root_dev.h> #include <linux/cpu.h> #include <linux/interrupt.h> +#include <linux/smp.h> #include <asm/cpu.h> ...
b2ee9dbfad14ba8e34a589d552ddc67300a26bec
Analyze and fix the following issue in the Linux kernel code: [PATCH] hrtimer: fix multiple macro argument expansion
Problem Details: For two macros the arguments were expanded twice, change them to inline functions to avoid it. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torv...
```diff diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 6aca67a569a2..f3dec45ef874 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -96,10 +96,16 @@ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs) ({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; }) /* conv...
06fed33849c13af637c4d09e9ba27828fac9edd5
Analyze and fix the following issue in the Linux kernel code: [PATCH] cpuset: oops in exit on null cpuset fix
Problem Details: Fix a latent bug in cpuset_exit() handling. If a task tried to allocate memory after calling cpuset_exit(), it oops'd in cpuset_update_task_memory_state() on a NULL cpuset pointer. So set the exiting tasks cpuset to the root cpuset instead of to NULL. A distro kernel hit this with an added kernel pa...
```diff diff --git a/kernel/cpuset.c b/kernel/cpuset.c index ba42b0a76961..12815d3f1a05 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1977,6 +1977,39 @@ void cpuset_fork(struct task_struct *child) * We don't need to task_lock() this reference to tsk->cpuset, * because tsk is already marked PF_EXITING, so a...
36cbbe5eb9857730768aa5f54ad94d69e0b2133d
Analyze and fix the following issue in the Linux kernel code: [PATCH] kbuild: revert "fix make -jN with multiple targets with O=..."
Problem Details: Commit 296e0855b0f9a4ec9be17106ac541745a55b2ce1: "kbuild: fix make -jN with multiple targets with O=..." causes a ~95% increase in build time for the kernel. Before: 4m21s after: 8m1.403s. Can we revert this until another approach is found? Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: An...
```diff diff --git a/Makefile b/Makefile index 74d67b2c35d9..48d569d46ae1 100644 --- a/Makefile +++ b/Makefile @@ -106,13 +106,12 @@ KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) $(if $(KBUILD_OUTPUT),, \ $(error output directory "$(saved-output)" does not exist)) -.PHONY: $(MAKECMDGOALS) cdbuilddi...
7c6de05884b9fcc7ef621e2ab198ba93d85f46aa
Analyze and fix the following issue in the Linux kernel code: [NETFILTER]: nf_conntrack: Fix TCP/UDP HW checksum handling for IPv6 packet
Problem Details: If skb->ip_summed is CHECKSUM_HW here, skb->csum includes checksum of actual IPv6 header and extension headers. Then such excess checksum must be subtruct when nf_conntrack calculates TCP/UDP checksum with pseudo IPv6 header. Spotted by Ben Skeggs. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@tos...
```diff diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index df99138c3b3b..6492ed66fb3c 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -864,7 +864,9 @@ static int csum6(const struct sk_buff *skb, unsigned int dataoff) { ...
deac0ccdb4da16b68539d75edecf26162de05150
Analyze and fix the following issue in the Linux kernel code: [NETFILTER]: x_tables: fix dependencies of conntrack related modules
Problem Details: NF_CONNTRACK_MARK is bool and depends on NF_CONNTRACK which is tristate. If a variable depends on NF_CONNTRACK_MARK and doesn't take care about NF_CONNTRACK, it can be y even if NF_CONNTRACK isn't y. NF_CT_ACCT have same issue, too. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Sig...
```diff diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 0e550127fa7e..a8e5544da93e 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -126,7 +126,7 @@ config NETFILTER_XT_TARGET_CONNMARK tristate '"CONNMARK" target support' depends on NETFILTER_XTABLES depends on IP_NF_MANGLE || I...
48d5cad87c3a4998d0bda16ccfb5c60dfe4de5fb
Analyze and fix the following issue in the Linux kernel code: [XFRM]: Fix SNAT-related crash in xfrm4_output_finish
Problem Details: When a packet matching an IPsec policy is SNATed so it doesn't match any policy anymore it looses its xfrm bundle, which makes xfrm4_output_finish crash because of a NULL pointer dereference. This patch directs these packets to the original output path instead. Since the packets have already passed th...
```diff diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 4cf6088625c1..3ca3d9ee78a9 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -184,8 +184,11 @@ static inline int nf_hook_thresh(int pf, unsigned int hook, struct sk_buff **pskb, struct net_device *indev,...
defbb2c929cbe89dc92239b303cd33d3c85e9a83
Analyze and fix the following issue in the Linux kernel code: [IA64] ia64: simplify and fix udelay()
Problem Details: The original ia64 udelay() was simple, but flawed for platforms without synchronized ITCs: a preemption and migration to another CPU during the while-loop likely resulted in too-early termination or very, very lengthy looping. The first fix (now in 2.6.15) broke the delay loop into smaller, non-preem...
```diff diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index a094ec49ccfa..307d01e15b2e 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -250,32 +250,27 @@ time_init (void) set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); } -#define SMALLUSECS 100 - -...
4c2cd96696ae0896ce4bcf725b9f0eaffafeb640
Analyze and fix the following issue in the Linux kernel code: [IA64-SGI] enforce proper ordering of callouts by XPC
Problem Details: Fix XPC so that it does not deliver any messages until the connected callout has returned, as well as, prevent the disconnected callout to occur before the disconnecting callout has returned. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
```diff diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c index 36e5437a0fb6..cdf6856ce089 100644 --- a/arch/ia64/sn/kernel/xpc_channel.c +++ b/arch/ia64/sn/kernel/xpc_channel.c @@ -738,7 +738,9 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags) /* make sure...
c2a4969ba14e852bf4ee92c7db3b0cf82405a0c9
Analyze and fix the following issue in the Linux kernel code: [IA64-SGI] fix the size of __sn_cnodeid_to_nasid
Problem Details: The __sn_cnodeid_to_nasid array was incorrectly sized at MAX_NUMNODES. On a large system, this array could overflow. The following patch corrects this by defining it to MAX_COMPACT_NODES. Signed-off-by: Dean Roe <roe@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
```diff diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 1672ecad77e2..5b84836c2171 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -75,7 +75,7 @@ EXPORT_SYMBOL(sn_rtc_cycles_per_second); DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info); EXPORT_PER_CPU_SYMB...
8ed9b2c7a804335004e4bd3b4c6989c5b6bc243f
Analyze and fix the following issue in the Linux kernel code: [IA64-SGI] sn2 minor fixes and cleanups
Problem Details: General SN2 code cleanup: - Do not initialize global variables to zero - Use kzalloc instead of kmalloc+memset - Check kmalloc return values - Do not obfuscate spin lock calls - Remove some unused code - Various formatting cleanups Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Tony Lu...
```diff diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 3437c2390429..dfb3f2902379 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -23,6 +23,10 @@ #include "xtalk/hubdev.h" #include "xtalk/xwidgetdev.h" + +extern void sn_init_cpei_timer(void); +exte...
5ecfbae093f0c37311e89b29bfc0c9d586eace87
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix zap_thread's ptrace related problems
Problem Details: 1. The tracee can go from ptrace_stop() to do_signal_stop() after __ptrace_unlink(p). 2. It is unsafe to __ptrace_unlink(p) while p->parent may wait for tasklist_lock in ptrace_detach(). Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Roland McGrath <roland@redhat.com> Cc: Ingo Molnar <mingo...
```diff diff --git a/fs/exec.c b/fs/exec.c index 055378d2513e..0e1c95074d42 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1403,7 +1403,7 @@ static void zap_threads (struct mm_struct *mm) do_each_thread(g,p) { if (mm == p->mm && p != tsk && p->ptrace && p->parent->mm == mm) { - __ptrace_unlink(p); + __...
dadac81b1b86196fcc48fb87620403c4a7174f06
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix kill_proc_info() vs fork() theoretical race
Problem Details: copy_process: attach_pid(p, PIDTYPE_PID, p->pid); attach_pid(p, PIDTYPE_TGID, p->tgid); What if kill_proc_info(p->pid) happens in between? copy_process() holds current->sighand.siglock, so we are safe in CLONE_THREAD case, because current->sighand == p->sighand. Otherwise, p->sighand is unlocked,...
```diff diff --git a/kernel/fork.c b/kernel/fork.c index 3683ce10f4a9..fbea12d7a943 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1173,8 +1173,6 @@ static task_t *copy_process(unsigned long clone_flags, if (unlikely(p->ptrace & PT_PTRACED)) __ptrace_link(p, current->parent); - attach_pid(p, PIDTYPE_PID, p->...
3f17da699431ec48540beabc55c54d4b5e66c8e7
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix kill_proc_info() vs CLONE_THREAD race
Problem Details: There is a window after copy_process() unlocks ->sighand.siglock and before it adds the new thread to the thread list. In that window __group_complete_signal(SIGKILL) will not see the new thread yet, so this thread will start running while the whole thread group was supposed to exit. I beleive we hav...
```diff diff --git a/kernel/fork.c b/kernel/fork.c index 8e88b374cee9..3683ce10f4a9 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1123,8 +1123,8 @@ static task_t *copy_process(unsigned long clone_flags, p->real_parent = current; p->parent = p->real_parent; + spin_lock(&current->sighand->siglock); if (clon...
5c4e9e036678fae65c9288e1c00a6f33cd447283
Analyze and fix the following issue in the Linux kernel code: [GFS2] Fix a case where we didn't get unstuffing right
Problem Details: There was a bug in the unstuffing logic which caused a crash under certain circumstances. This is now fixed. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
```diff diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 39d03f3f2d54..1ccc26426821 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -220,14 +220,14 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) if (error) return error; - kaddr = kmap(page); + kaddr = k...
61a30dcb5866eb7e92796b2988ddb4c94b9f78ac
Analyze and fix the following issue in the Linux kernel code: [GFS2] Fix for lock recursion problem for internal files
Problem Details: Two internal files which are read through the gfs2_internal_read() routine were already locked when the routine was called and this do not need locking at the redapages level. This patch introduces a struct file which is used as a sentinal so that readpage will only perform locking in the case that th...
```diff diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 74706f352780..39d03f3f2d54 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -28,6 +28,7 @@ #include "quota.h" #include "trans.h" #include "rgrp.h" +#include "ops_file.h" /** * gfs2_get_block - Fills in a buffer head with d...
dc7bf130b8552a218e2f3ea0b58268e469f335da
Analyze and fix the following issue in the Linux kernel code: [SERIAL] Fix typo in comment
Problem Details: Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index b1fc97d5f643..244e8ff11977 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2198,7 +2198,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) touch_nmi_watchdog(); /* - * First save the UER ...
a5f1e4edb3cdd90733893b8aec38fac5553db60a
Analyze and fix the following issue in the Linux kernel code: [SERIAL] Documentation/jsm.txt is a no show.
Problem Details: In kernel bugzilla #5176 (http://bugzilla.kernel.org/show_bug.cgi?id=5176) Harry R\374ter <h.rueter@gmx.de> points out Documentation/jsm.txt is missing. No one at Digi seems to care, so just remove the stale reference. Signed-off-by: Arthur Othieno <apgo@patchbomb.org> Signed-off-by: Russell King <rm...
```diff diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 0f4361c8466b..b3c561abe3f6 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -902,8 +902,8 @@ config SERIAL_JSM something like this to connect more than two modems to your Linux box, for instance in order to become a di...
78872ccb68335b14f0d1ac7338ecfcbf1cba1df4
Analyze and fix the following issue in the Linux kernel code: [BRIDGE]: Fix deadlock in br_stp_disable_bridge
Problem Details: Looks like somebody forgot to use the _bh spin_lock variant. We ran into a deadlock where br->hello_timer expired while br_stp_disable_br() walked br->port_list. Signed-off-by: Adrian Drzewiecki <z@drze.net> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <dave...
```diff diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index cc047f7fb6ef..35cf3a074087 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -67,7 +67,7 @@ void br_stp_disable_bridge(struct net_bridge *br) { struct net_bridge_port *p; - spin_lock(&br->lock); + spin_lock_bh(&br->lock); ...
ee68cea2c26b7a8222f9020f54d22c6067011e8b
Analyze and fix the following issue in the Linux kernel code: [NETFILTER]: Fix xfrm lookup after SNAT
Problem Details: To find out if a packet needs to be handled by IPsec after SNAT, packets are currently rerouted in POST_ROUTING and a new xfrm lookup is done. This breaks SNAT of non-unicast packets to non-local addresses because the packet is routed as incoming packet and no neighbour entry is bound to the dst_entry....
```diff diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h index fdc4a9527343..43c09d790b83 100644 --- a/include/linux/netfilter_ipv4.h +++ b/include/linux/netfilter_ipv4.h @@ -79,7 +79,7 @@ enum nf_ip_hook_priorities { #ifdef __KERNEL__ extern int ip_route_me_harder(struct sk_buff **pskb)...
d93f70b2d758e79ee4ac9d6d982e3f532453911f
Analyze and fix the following issue in the Linux kernel code: Input: ads7846 - assorted updates
Problem Details: This updates the ads7846 touchscreen driver: - to allow faster clocking (this driver doesn't push sample rates); - bugfixes the conversion of spi_transfer to lists; - some dma-unsafe command buffers are fixed. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Dmitry ...
```diff diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 72cf0a26d676..8c12a974b411 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -48,10 +48,13 @@ #define TS_POLL_PERIOD msecs_to_jiffies(10) +/* this driver doesn't aim at t...
a09d31ff762a3671f2ae41b3bca50a100c5e4da6
Analyze and fix the following issue in the Linux kernel code: Input: ixp4xx-beeper - fix compile error
Problem Details: Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
```diff diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c index d448bb5e4869..3a6ae85cd69c 100644 --- a/drivers/input/misc/ixp4xx-beeper.c +++ b/drivers/input/misc/ixp4xx-beeper.c @@ -19,6 +19,7 @@ #include <linux/input.h> #include <linux/delay.h> #include <linux/platform_device.h>...
93544cc6486bea12e127ed58ca33477bb6ceafe6
Analyze and fix the following issue in the Linux kernel code: [PATCH] CIFS: fix cifs_user_read oops when null SMB response on forcedirectio mount
Problem Details: This patch fixes an oops reported by Adrian Bunk in cifs_user_read when a null read response is returned on a forcedirectio mount. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/cifs/file.c b/fs/cifs/file.c index d17c97d07c80..675bd2568297 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1442,13 +1442,15 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data, &bytes_read, &smb_read_data, &buf_type); pSMBr = (struct smb_com_read_rsp *)s...
10ee39fe3ff618d274e1cd0f6abbc2917b736bfd
Analyze and fix the following issue in the Linux kernel code: [PATCH] neofb: avoid resetting display config on unblank
Problem Details: Fix issues with the NeoMagic framebuffer driver. It nicely complements my previous fix already in linus' tree. The only thing missing now is that the external CRT will not be activated at neofb init when external-only is selected, either by register read or module/kernel parameter. Testing was done ...
```diff diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 747602aa5615..b85e2b180a44 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -1334,6 +1334,12 @@ static int neofb_blank(int blank_mode, struct fb_info *info) struct neofb_par *par = info->par; int seqflags, lcdflags, dpmsflags,...
68f624fc8b9fa50de9cc0ebd612ef7b7b9fa32d0
Analyze and fix the following issue in the Linux kernel code: [PATCH] FRV: Miscellaneous fixes
Problem Details: Make various alterations and fixes to the FRV arch: (1) Resyncs the FRV system call collection with the i386 arch. (2) Discards __iounmap() as it's not used. (3) Fixes the use of the SWAP/SWAPI instruction to get the arguments the right way around in atomic.h, and also to get the asm constra...
```diff diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 5f6548388b74..c69d499d28cf 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -1418,11 +1418,27 @@ sys_call_table: .long sys_add_key .long sys_request_key .long sys_keyctl - .long sys_ni_syscall // sys_vperfctr_open - ...
e35a6619e7be59aa38249346327c89207663bb37
Analyze and fix the following issue in the Linux kernel code: [PATCH] s390: fix __delay implementation
Problem Details: Fix __delay implementation. Called with an argument "1" or "0" it would loop nearly forever (since (1/2)-1 = 0xffffffff). Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index e96c35bddac7..71f0a2fb3078 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -30,7 +30,7 @@ void __delay(unsigned long loops) */ __asm__ __volatile__( "0: brct %0,0b" - : /* no out...