id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
7071e522a58cb1b3469e4cd8664ef03a32076349
Analyze and fix the following issue in the Linux kernel code: [WATCHDOG] sc1200wdt.c printk fix
Problem Details: Fix printk output. sc1200wdt: build 20020303<3>sc1200wdt: io parameter must be specified Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@osdl.org>
```diff diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c index 515ce7572049..20b88f9b7be2 100644 --- a/drivers/char/watchdog/sc1200wdt.c +++ b/drivers/char/watchdog/sc1200wdt.c @@ -377,7 +377,7 @@ static int __init sc1200wdt_init(void) { int ret; - printk(banner); + printk("%s\n",...
843a46f423a508b3a443a08baa903c6da02f3297
Analyze and fix the following issue in the Linux kernel code: sky2: prevent dual port receiver problems
Problem Details: When both ports are receiving simultaneously, the receive logic gets confused and may pass up a packet before it is full. This causes hangs, and IP will see lots of garbage packets. There is even the potential for data corruption if a later arriving packet DMA's into freed memory. It looks like a hard...
```diff diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index ffd267fab21d..62be6d99d05c 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1020,8 +1020,19 @@ static int sky2_up(struct net_device *dev) struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; u32 ramsize, rxspace, imask; - int err...
194a61b8e09ac526c33777a688ee2a1504d7fbc3
Analyze and fix the following issue in the Linux kernel code: [PATCH] jffs2 warning fixes
Problem Details: fs/jffs2/nodelist.c: In function `check_node_data': fs/jffs2/nodelist.c:441: warning: unsigned int format, different type arg (arg 4) fs/jffs2/nodelist.c:464: warning: int format, different type arg (arg 5) Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index d4d0c41490cd..1d46677afd17 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -438,7 +438,8 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info if (c->mtd->point) { err = c->mtd->point(c->mtd, ofs, len, &...
79afecfaabbe42e2a8a7e28880517f1721f2f3a7
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix typos in Documentation/memory-barriers.txt
Problem Details: Fix some typos in Documentation/memory-barriers.txt Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com> Cc: 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/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 92f0056d928c..c61d8b876fdb 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -1031,7 +1031,7 @@ conflict on any particular lock. LOCKS VS MEMORY ACCESSES ------------------------ ...
bfe2e9349f318883c036607c64b6205d573a28ff
Analyze and fix the following issue in the Linux kernel code: [PATCH] gigaset: endian fix
Problem Details: Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Hansjoerg Lipp <hjlipp@web.de> Cc: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index bfb73fd5077e..d86ab68114b0 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -710,8 +710,8 @@ static int gigaset_probe(struct usb_interface *interface, retval = -ENODEV; //FIXME...
b2d596d8e08099b47e0a75aa4b7f82aae780e851
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix hotplug kconfig help
Problem Details: HOTPLUG_CPU entry says "Say Y..." then "Say N.". Slightly ugly, so I fixed it up, and added remark about suspend on SMP as a bonus. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c6fe99e57a05..8dfa3054f10f 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -758,10 +758,10 @@ config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER ---help--- - ...
eee391a66d774e644bf3cbb35403562e09d88bb2
Analyze and fix the following issue in the Linux kernel code: [PATCH] revert "vfs: propagate mnt_flags into do_loopback/vfsmount"
Problem Details: Revert commit f6422f17d3a480f21917a3895e2a46b968f56a08, due to Valdis.Kletnieks@vt.edu wrote: > > There seems to have been a bug introduced in this changeset: > > Am running 2.6.17-rc3-mm1. When this changeset is applied, 'mount --bind' > misbehaves: > > > # mkdir /foo > > # mount -t tmpfs -o rw,nosu...
```diff diff --git a/fs/namespace.c b/fs/namespace.c index 2c5f1f80bdc2..bf478addb852 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -899,13 +899,11 @@ static int do_change_type(struct nameidata *nd, int flag) /* * do loopback mount. */ -static int do_loopback(struct nameidata *nd, char *old_name, unsigned lo...
3835a9bd07778d87dea37fbf190f70883515e8fc
Analyze and fix the following issue in the Linux kernel code: [PATCH] fs/compat.c: fix 'if (a |= b )' typo
Problem Details: Mentioned by Mark Armbrust somewhere on Usenet. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Ulrich Drepper <drepper@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/compat.c b/fs/compat.c index 970888aad843..01f39f87f372 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1913,7 +1913,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, } if (sigmask) { - if (sigsetsize |= sizeof(compat_sigset_t)) + if (sigsetsize != sizeof(compat_sigset_t))...
bb53a76116a8af13ee2581c85c02fe40e0c1a599
Analyze and fix the following issue in the Linux kernel code: [PATCH] tpm_register_hardware gcc 4.1 warning fix
Problem Details: drivers/char/tpm/tpm.c: In function 'tpm_register_hardware': drivers/char/tpm/tpm.c:1157: warning: assignment from incompatible pointer type Signed-off-by: Daniel Walker <dwalker@mvista.com> Acked-by: Kylene 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.h b/drivers/char/tpm/tpm.h index 54a4c804e25f..050ced247f68 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -140,7 +140,7 @@ extern int tpm_pm_resume(struct device *); extern struct dentry ** tpm_bios_log_setup(char *); extern void tpm_bios_log_teardown(st...
2a7362f52a17e8dbeab57c00c3c45fcfeb0dff54
Analyze and fix the following issue in the Linux kernel code: [PATCH] tpm: fix constant
Problem Details: Fix the constant used for the base address when it cannot be determined from ACPI. It was off by one order of magnitude. Signed-off-by: Kylene Hall <kjhall@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index b9cae9a238bb..f621168f38ae 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -55,7 +55,7 @@ enum tis_int_flags { }; enum tis_defaults { - TIS_MEM_BASE = 0xFED4000, + TIS_MEM_BASE = 0xFED40000, TIS_MEM_LEN ...
e6333fd4ddf7a583480017f535b9ea53c116ab81
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix can_share_swap_page() when !CONFIG_SWAP
Problem Details: can_share_swap_page() is used to check if the page has the last reference. This avoids allocating a new page for COW if it's the last page. However, if CONFIG_SWAP is not set, can_share_swap_page() is defined as 0, thus always causes a copy for the last COW page. The below simple patch fixes it. Sig...
```diff diff --git a/include/linux/swap.h b/include/linux/swap.h index 5b1fdf1cff4f..f03c24719302 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -296,7 +296,7 @@ static inline void disable_swap_token(void) #define read_swap_cache_async(swp,vma,addr) NULL #define lookup_swap_cache(swp) NULL #define...
41e5a6ac80c600e1f8bda0a4871f0b797e097d78
Analyze and fix the following issue in the Linux kernel code: [PATCH] v9fs: signal handling fixes
Problem Details: Multiple races can happen when v9fs is interrupted by a signal and Tflush message is sent to the server. After v9fs sends Tflush it doesn't wait until it receives Rflush, and possibly the response of the original message. This behavior may confuse v9fs what fids are allocated by the file server. Thi...
```diff diff --git a/fs/9p/mux.c b/fs/9p/mux.c index 3e5b124a7212..f4407eb276c7 100644 --- a/fs/9p/mux.c +++ b/fs/9p/mux.c @@ -50,15 +50,23 @@ enum { Wpending = 8, /* can write */ }; +enum { + None, + Flushing, + Flushed, +}; + struct v9fs_mux_poll_task; struct v9fs_req { + spinlock_t lock; int tag; struc...
343f1fe6f2e3fb4912db241e639b0721c2e14f2e
Analyze and fix the following issue in the Linux kernel code: [PATCH] v9fs: Twalk memory leak
Problem Details: v9fs leaks memory if the file server responds with Rerror to a Twalk message. The patch fixes the leak. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@hera.kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/9p/fcall.c b/fs/9p/fcall.c index 71742ba150c4..6f2617820a4e 100644 --- a/fs/9p/fcall.c +++ b/fs/9p/fcall.c @@ -98,23 +98,20 @@ v9fs_t_attach(struct v9fs_session_info *v9ses, char *uname, char *aname, static void v9fs_t_clunk_cb(void *a, struct v9fs_fcall *tc, struct v9fs_fcall *rc, int err) ...
3dc7b82ea7649356bf027fba50c16ca50cec31e2
Analyze and fix the following issue in the Linux kernel code: [PATCH] LED: Fix sysfs store function error handling
Problem Details: Fix the error handling of some LED _store functions. This corrects them to return -EINVAL if the value is not numeric with an optional byte of trailing whitespace. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by...
```diff diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index b0b5d05fadd6..c75d0ef1609c 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -19,6 +19,7 @@ #include <linux/sysdev.h> #include <linux/timer.h> #include <linux/err.h> +#include <linux/ctype.h> #include <linux/leds.h>...
68673afd443c5eeb4cebfb9026e3675f43d79f2b
Analyze and fix the following issue in the Linux kernel code: [PATCH] Backlight/LCD Class: Fix sysfs _store error handling
Problem Details: The backlight and LCD class _store functions currently accept values like "34 some random strings" without error. This corrects them to return -EINVAL if the value is not numeric with an optional byte of trailing whitespace. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Greg KH <greg@kroah.co...
```diff diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 334b1db1bd7c..27597c576eff 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -29,12 +29,15 @@ static ssize_t backlight_show_power(struct class_device *cdev, char *buf) stat...
48564e628bd7662d7a0b3ac81c41cd0e4cc36dae
Analyze and fix the following issue in the Linux kernel code: [PATCH] smbfs: Fix slab corruption in samba error path
Problem Details: Yesterday, I got the following error with 2.6.16.13 during a file copy from a smb filesystem over a wireless link. I guess there was some error on the wireless link, which in turn caused an error condition for the smb filesystem. In the log, smb_file_read reports error=4294966784 (0xfffffe00), which ...
```diff diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c index c71c375863cc..c71dd2760d32 100644 --- a/fs/smbfs/request.c +++ b/fs/smbfs/request.c @@ -339,9 +339,11 @@ int smb_add_request(struct smb_request *req) /* * On timeout or on interrupt we want to try and remove the * request from the recvq/xmitq...
5e376613899076396d0c97de67ad072587267370
Analyze and fix the following issue in the Linux kernel code: [PATCH] symbol_put_addr() locks kernel
Problem Details: Even since a previous patch: Fix race between CONFIG_DEBUG_SLABALLOC and modules Sun, 27 Jun 2004 17:55:19 +0000 (17:55 +0000) http://www.kernel.org/git/?p=linux/kernel/git/torvalds/old-2.6-bkcvs.git;a=commit;h=92b3db26d31cf21b70e3c1eadc56c179506d8fbe The function symbol_put_addr() will deadlock the ...
```diff diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e1bd0842f6a1..f4fc576ed4c4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -124,6 +124,7 @@ extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints); extern unsigned long...
6a050da45b5d855b48b057446847ff1542977b52
Analyze and fix the following issue in the Linux kernel code: [PATCH] initramfs: fix CPIO hardlink check
Problem Details: Copy the filenames of hardlinks when inserting them into the hash, since the "name" pointer may point to scratch space (name_buf). Not doing so results in corruption if the scratch space is later overwritten: the wrong file may be hardlinked, or, if the scratch space contains garbage, the link will fa...
```diff diff --git a/init/initramfs.c b/init/initramfs.c index 679d870d991b..f81cfa40a719 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -26,10 +26,12 @@ static void __init free(void *where) /* link hash */ +#define N_ALIGN(len) ((((len) + 1) & ~3) + 2) + static __initdata struct hash { int ino, minor,...
ac924c6034d9095f95ee889f7e31bbb9145da0c2
Analyze and fix the following issue in the Linux kernel code: [PATCH] setup_per_zone_pages_min() overflow fix
Problem Details: As pointed out in http://bugzilla.kernel.org/show_bug.cgi?id=6490, this function can experience overflows on 32-bit machines, causing our response to changed values of min_free_kbytes to go whacky. Fixing it efficiently is all too hard, so fix it with 64-bit math instead. Cc: Ake Sandgren <ake.sandgr...
```diff diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ea77c999047e..813b4ec1298a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -39,6 +39,7 @@ #include <linux/mempolicy.h> #include <asm/tlbflush.h> +#include <asm/div64.h> #include "internal.h" /* @@ -2566,9 +2567,11 @@ void setup_per_zone_pages_mi...
3b7c8108273bed41a2fc04533cc9f2026ff38c8e
Analyze and fix the following issue in the Linux kernel code: [PATCH] smbfs chroot issue (CVE-2006-1864)
Problem Details: Mark Moseley reported that a chroot environment on a SMB share can be left via "cd ..\\". Similar to CVE-2006-1863 issue with cifs, this fix is for smbfs. Steven French <sfrench@us.ibm.com> wrote: Looks fine to me. This should catch the slash on lookup or equivalent, which will be all obvious paths...
```diff diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c index 34c7a11d91f0..70d9c5a37f5a 100644 --- a/fs/smbfs/dir.c +++ b/fs/smbfs/dir.c @@ -434,6 +434,11 @@ smb_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) if (dentry->d_name.len > SMB_MAXNAMELEN) goto out; + /* Do not allow lookup of nam...
a7b862f663d81858531dfccc0537bc9d8a2a4121
Analyze and fix the following issue in the Linux kernel code: [PATCH] VIA quirk fixup, additional PCI IDs
Problem Details: An earlier commit (75cf7456dd87335f574dcd53c4ae616a2ad71a11) changed an overly-zealous PCI quirk to only poke those VIA devices that need it. However, some PCI devices were not included in what I hope is now the full list. Consequently we're failing to run the quirk on all machines which need it, caus...
```diff diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 19e2b174d33c..0d36d5040880 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -634,6 +634,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_vi * non-x86 architectures (yes Via exists on PPC among other...
73d58588091e81e5ee4266488e2fb09a410f1512
Analyze and fix the following issue in the Linux kernel code: [PATCH] pcmcia Oopses fixes
Problem Details: Fix some NULL dereferences in the pcmcia code when using old userland tools. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index c53db7ceda5e..738b1ef595a3 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -426,7 +426,7 @@ static int ds_open(struct inode *inode, struct file *file) if (!warning_printed) { printk(KE...
90d5ede5985f3b172cc3ccd89bf8c52a209088a5
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix capi reload by unregistering the correct major
Problem Details: I am having the bug FATAL: Error inserting capi ([..]/capi.ko): Device or resource busy when I try to reload capi after loading it. in dmesg: capi20: unable to get major 68 Fix the issue which is caused by setting the major to zero when registering the chrdev succeeded. (akpm: this means that we can...
```diff diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 9b493f0becc4..173c899a1fb4 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1499,7 +1499,6 @@ static int __init capi_init(void) printk(KERN_ERR "capi20: unable to get major %d\n", capi_major); return major_ret; ...
a5370553952a9a414860d878b67c49eff11313bd
Analyze and fix the following issue in the Linux kernel code: [PATCH] autofs4: NFY_NONE wait race fix
Problem Details: This patch fixes two problems. First, the comparison of entries in the waitq.c was incorrect. Second, the NFY_NONE check was incorrect. The test of whether the dentry is mounted if ineffective, for example, if an expire fails then we could wait forever on a non existant expire. The bug was identified...
```diff diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 57c4903614e5..d6603d02304c 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -74,8 +74,8 @@ struct autofs_wait_queue { struct autofs_wait_queue *next; autofs_wqt_t wait_queue_token; /* We use the following to see what we are ...
184f565210c6c8a852c53ffc070f9add61e0f331
Analyze and fix the following issue in the Linux kernel code: [JFFS2] Fix printk format in some error messages.
Problem Details: fs/jffs2/nodelist.c: In function `check_node_data': fs/jffs2/nodelist.c:441: warning: unsigned int format, different type arg (arg 4) fs/jffs2/nodelist.c:464: warning: int format, different type arg (arg 5) Modified from Andrew's original fix because while his terminal may indeed only have eighty colu...
```diff diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index d4d0c41490cd..7d71593d7fd3 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -438,7 +438,7 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info if (c->mtd->point) { err = c->mtd->point(c->mtd, ofs, len, &...
c17ea20d9a689d7335e97e09354865cdd9f873e1
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: fix irq-pio merge
Problem Details: * kill ata_poll_qc_complete() and implement/use ata_hsm_qc_complete() which completes qcs in new EH compliant manner from HSM * don't print error message from ata_hsm_move(). it's responsibility of EH. * kill ATA_FLAG_NOINTR usage in bmdma EH Signed-off-by: Tejun Heo <htejun@gmail.com>
```diff diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c index 49eff18a67e3..6d30d2c52960 100644 --- a/drivers/scsi/libata-bmdma.c +++ b/drivers/scsi/libata-bmdma.c @@ -726,7 +726,6 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_reset_fn_t softreset, /* reset PIO HSM and stop DMA engine */ ...
61440db61fe4945ad9f7b32b4d6a22b17174aa1f
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: implement ATA printk helpers
Problem Details: Implement ata_{port|dev}_printk() which prefixes the message with proper identification string. This change is necessary for later PM support because devices and links should be identified differently depending on how they are attached. This also helps unifying device id strings. Currently, there ar...
```diff diff --git a/include/linux/libata.h b/include/linux/libata.h index 8154b366bbd1..91e10e6b7565 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -650,7 +650,18 @@ extern void ata_eng_timeout(struct ata_port *ap); extern void ata_eh_qc_complete(struct ata_queued_cmd *qc); extern void ata_eh_qc...
f8c2c4202d86e14ca03b7adc7ebcb30fc74b24e1
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: fix ->phy_reset class code handling in ata_bus_probe()
Problem Details: ata_bus_probe() doesn't clear dev->class after ->phy_reset(). This can result in falsely enabled devices if probing fails. Clear dev->class to ATA_DEV_UNKNOWN after fetching it. Signed-off-by: Tejun Heo <htejun@gmail.com>
```diff diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 85a004290072..1669dae53ce3 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -1397,9 +1397,11 @@ static int ata_bus_probe(struct ata_port *ap) } else { ap->ops->phy_reset(ap); - if (!(ap->flags & ATA_FLA...
e4fac92ae744cd5d5c3c1774825788e6b91a5965
Analyze and fix the following issue in the Linux kernel code: [PATCH] ahci: hardreset classification fix
Problem Details: AHCI calls ata_dev_classify() even when no device is attached which results in false class code. Fix it. Signed-off-by: Tejun Heo <htejun@gmail.com>
```diff diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index d23f00230a76..c33255404ee5 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -670,7 +670,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class) rc = sata_std_hardreset(ap, class); ahci_start_engine(ap); - if (rc == ...
c44078c03f018c8cc9d7463b0db4c6c7fb316792
Analyze and fix the following issue in the Linux kernel code: [PATCH] libata: silly fix in ata_scsi_start_stop_xlat()
Problem Details: Don't directly access &qc->tf when tf == &qc->tf. Signed-off-by: Tejun Heo <htejun@gmail.com>
```diff diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 9871f8272df0..b0c83c28d578 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -748,7 +748,7 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc, tf->nsect = 1; /* 1 sector, lba=0 */ ...
74ce1468128e299fe6a85e7e78e528e45e72d6d9
Analyze and fix the following issue in the Linux kernel code: ACPI: create acpi_thermal_resume()
Problem Details: http://bugzilla.kernel.org/show_bug.cgi?id=4364 Signed-off-by: Konstantin Karasyov <konstantin.a.karasyov@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 19f3ea48475e..928dcf9e77c7 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -82,6 +82,7 @@ MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n"); static int acpi_thermal_add(struct acpi_device *device)...
0feabb01d93e5801d1127416a66cfc3963280bca
Analyze and fix the following issue in the Linux kernel code: ACPI: create acpi_fan_suspend()/acpi_fan_resume()
Problem Details: http://bugzilla.kernel.org/show_bug.cgi?id=5000 Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 606f8733a776..eff696f2b6bb 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -205,12 +205,14 @@ int acpi_bus_set_power(acpi_handle handle, int state) * Get device's current power state if it's unknown * This means device power state isn'...
531881d665ca011326bb466b97b07c95dee8d0a1
Analyze and fix the following issue in the Linux kernel code: ACPI: pass pm_message_t from acpi_device_suspend() to root_suspend()
Problem Details: in case we want to decode it for future use in acpi_op_suspend(..., state) also, inline new 1-liner static function http://bugzilla.kernel.org/show_bug.cgi?id=5000 Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 19ae9ff10210..eee58393eb46 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1372,13 +1372,13 @@ static int acpi_bus_scan_fixed(struct acpi_device *root) } -static struct acpi_device * to_acpi_dev(struct device * dev) +static inline ...
5b3272655a8e8a9a6e2503bc5a88fc9d9c8292a4
Analyze and fix the following issue in the Linux kernel code: ACPI: create acpi_device_suspend()/acpi_device_resume()
Problem Details: updated and tested by Konstantin Karasyov http://bugzilla.kernel.org/show_bug.cgi?id=5000 Signed-off-by: Patrick Mochel <patrick.mochel@intel.com> Signed-off-by: Konstantin Karasyov <konstantin.karasyov @intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index a0ab828b2cc5..19ae9ff10210 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1371,6 +1371,108 @@ static int acpi_bus_scan_fixed(struct acpi_device *root) return_VALUE(result); } + +static struct acpi_device * to_acpi_dev(struct devic...
973bf491a55b825740f0d8d300b50bcd3d6fb8de
Analyze and fix the following issue in the Linux kernel code: ACPI: fix potential memory leaks in driver/acpi/video.c
Problem Details: acpi_video_bus_get_one_device() and other functions in driver/acpi/video.c do not release allocated memory on remove and on the error path. Signed-off-by: "Yu, Luming" <luming.yu@intel.com> Signed-off-by: Vasily Averin <vvs@sw.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <...
```diff diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index bd4887518373..fcefcb104b31 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1294,7 +1294,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device, struct acpi_video_bus *video) { unsigned long device_id; - int statu...
0d4e30d26a279f1b6a008a233a6835ad2af571e4
Analyze and fix the following issue in the Linux kernel code: [MTD] Clean up <linux/mtd/physmap.h> to fix modular build
Problem Details: ... and also fix the multiple inclusion guard so it actually _works_ Signed-off-by: David Woodhouse <dwmw2@infradead.org>
```diff diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h index 50f954461aa8..86831e3594f6 100644 --- a/include/linux/mtd/physmap.h +++ b/include/linux/mtd/physmap.h @@ -15,10 +15,7 @@ */ #ifndef __LINUX_MTD_PHYSMAP__ - -#include <linux/config.h> - -#if defined(CONFIG_MTD_PHYSMAP) +#define __L...
09047e75f69428dcfa977b326256085154068b65
Analyze and fix the following issue in the Linux kernel code: ACPI: fix memory leak in acpi_thermal_add() error path
Problem Details: Signed-off-by: Vasily Averin <vvs@sw.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 19f3ea48475e..82389b178130 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -1342,7 +1342,7 @@ static int acpi_thermal_add(struct acpi_device *device) result = acpi_thermal_add_fs(device); if (result) - return_VALUE(res...
64385f2fd8bc9d8803c8d10dcd391871cb126b77
Analyze and fix the following issue in the Linux kernel code: ACPI: fix potential memory leak in acpi_evaluate_integer() error path
Problem Details: Signed-off-by: Vasily Averin <vvs@sw.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 6458c47f7ac2..6b516852ac12 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -273,11 +273,13 @@ acpi_evaluate_integer(acpi_handle handle, status = acpi_evaluate_object(handle, pathname, arguments, &buffer); if (ACPI_FAILURE(status)...
cf5eba53346fbfdf1b80e05ca3fd7fe2ec841077
Analyze and fix the following issue in the Linux kernel code: [JFFS2] Reduce excessive node count for syslog files.
Problem Details: We currently get fairly poor behaviour with files which get many short writes, such as system logs. This is because we end up with many tiny data nodes, and the rbtree gets massive. None of these nodes are actually obsolete, so they are counted as 'clean' space. Eraseblocks can be entirely full of thes...
```diff diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 9f4171213e58..3349db0a7863 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -215,12 +215,20 @@ static int jffs2_commit_write (struct file *filp, struct page *pg, D1(printk(KERN_DEBUG "jffs2_commit_write(): ino #%lu, page at 0x%lx, range %d-%d, flags %l...
151e76590f66f5406eb2e1f4270c5323f385d2e8
Analyze and fix the following issue in the Linux kernel code: [MTD] Fix legacy character sets throughout drivers/mtd, include/linux/mtd
Problem Details: Signed-off-by: David Woodhouse <dwmw2@infradead.org>
```diff diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index fe00af3f9195..898c321ab86d 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -1475,7 +1475,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, ...
a6550e57f9d074511cf420bdb802ab5e56edc3bb
Analyze and fix the following issue in the Linux kernel code: mtd: fix memory leak in block2mtd_setup()
Problem Details: There's a mem leak in drivers/mtd/devices/block2mtd.c::block2mtd_setup() We can leak 'name' allocated with kmalloc in 'parse_name' if leave via the 'parse_err' macro since it contains a return but doesn't do any freeing. Spotted by coverity checker as bug 615. Signed-off-by: Jesper Juhl <jesper.juhl...
```diff diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index f54e4bf9b968..45606921364b 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -429,7 +429,8 @@ static inline void kill_final_newline(char *str) static int block2mtd_setup(const char *val, s...
552d9205186428a1e2a49ed577bcbba9f777af37
Analyze and fix the following issue in the Linux kernel code: [MTD] Fix module refcounting in NAND board drivers.
Problem Details: The _board_ driver needs to be mtd->owner, and it in turn pins the nand.ko module. Fix them all to actually do that, and fix nand.ko not to overwrite it -- and also to check that the caller sets it, if the caller is a module. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
```diff diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 50cbfd4826fb..87d34351a86d 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c @@ -345,6 +345,7 @@ int __init au1xxx_nand_init(void) /* Link the private data with the MTD structure */ au1550_mtd->priv = thi...
4f678a58d335291ce9213c049bbe16e6d24487ed
Analyze and fix the following issue in the Linux kernel code: mtd: fix memory leaks in phram_setup
Problem Details: There are two code paths in drivers/mtd/devices/phram.c::phram_setup() that will leak memory. Memory is allocated to the variable 'name' with kmalloc() by the parse_name() function, but if we leave by way of the parse_err() macro, then that memory is never kfree()'d, nor is it ever used with register_d...
```diff diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index 41af9693d880..68d39cc9df71 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -266,12 +266,16 @@ static int phram_setup(const char *val, struct kernel_param *kp) return 0; ret = parse_num32(&start, tok...
21b9879bf2817aca343cdda11ade6a87f5373e74
Analyze and fix the following issue in the Linux kernel code: [JFFS2][XATTR] Fix obvious typo
Problem Details: [2/2] jffs2-xattr-v5.2-02-fix_obvious_typo.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
```diff diff --git a/fs/jffs2/xattr.c b/fs/jffs2/xattr.c index 330e4491e73a..057bd4dcf665 100644 --- a/fs/jffs2/xattr.c +++ b/fs/jffs2/xattr.c @@ -438,7 +438,7 @@ static struct jffs2_xattr_datum *create_xattr_datum(struct jffs2_sb_info *c, return xd; } -/* -------- xdatum related functions ---------------- +/* ---...
c8708a9275928cc8e77bd443cd12565dda0a3ded
Analyze and fix the following issue in the Linux kernel code: [JFFS2][XATTR] Handling the duplicate JFFS2_NODETYPE_XATTR node cases.
Problem Details: When jffs2_sum_process_sum_data() found a JFFS2_NODETYPE_XATTR which has duplicate xid and older version, an error was returned without appropriate process. In the result, mounting filesystem is failed. This patch fix this problem. If jffs2_setup_xattr_datum() returned -EEXIST, the caller marks this n...
```diff diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c index 831a42c13059..9763d73c0da1 100644 --- a/fs/jffs2/summary.c +++ b/fs/jffs2/summary.c @@ -508,8 +508,14 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras xd = jffs2_setup_xattr_datum(c, je32_to_cpu(spx->xid), ...
9d75414b4fa7390975ef0e2b56ff40425657fe52
Analyze and fix the following issue in the Linux kernel code: [MTD NAND] Update CS553x NAND driver: Hardware ECC support, optimisations.
Problem Details: - Implement HW ECC support, - Provide read_buf() and write_buf() routines using memcpy - Use on-flash bad block table - Fix module refcounting - Avoid read/modify/write in hwcontrol() - Minor cosmetic fixes Partly based on code and ideas from Tom Sylla <tom.sylla@amd.com> Signed-off-by: David Woodhou...
```diff diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c index 91207a45ad55..4f0b338f2f30 100644 --- a/drivers/mtd/nand/cs553x_nand.c +++ b/drivers/mtd/nand/cs553x_nand.c @@ -4,6 +4,7 @@ * (C) 2005, 2006 Red Hat Inc. * * Author: David Woodhouse <dwmw2@infradead.org> + * Tom Sylla <t...
032ebf2620ef99a4fedaa0f77dc2272095ac5863
Analyze and fix the following issue in the Linux kernel code: Alternative fix for MMC oops on unmount after removal
Problem Details: Make sure to clear the driverfs_dev pointer when we do del_gendisk() (on disk removal), so that other users that may still have a ref to the disk won't try to use the stale pointer. Also move the KOBJ_REMOVE uevent handler up, so that the uevent still has access to the driverfs_dev data. This all sho...
```diff diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 45ae7dd3c650..7ef1f094de91 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -533,6 +533,7 @@ void del_gendisk(struct gendisk *disk) devfs_remove_disk(disk); + kobject_uevent(&disk->kobj, KOBJ_REMOVE); if (disk->holder_dir)...
8a2ae70a9b4dc88c83b4644c58d06d74f2cb70c9
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3965): Fix CONFIG_VIDEO_VIVI=y build bug
Problem Details: CONFIG_VIDEO_VIVI depends on CONFIG_VIDEO_BUF. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 912791779cb4..7124e534cc7f 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -19,6 +19,7 @@ config VIDEO_ADV_DEBUG config VIDEO_VIVI tristate "Virtual Video Driver" depends on VIDEO_V4L2 && !SPARC32 && ...
68a26aecb3829d013f612def3c8995efdbad3306
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3964): Bt8xx/bttv-cards.c: fix off-by-one errors
Problem Details: This patch fixes two off-by-one errors spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c index f209a7492051..2b64aa835b42 100644 --- a/drivers/media/video/bt8xx/bttv-cards.c +++ b/drivers/media/video/bt8xx/bttv-cards.c @@ -2991,13 +2991,13 @@ void __devinit bttv_idcard(struct bttv *btv) if (UNSET != aud...
1095136dee95d27d27cebc52bd502f7facee8600
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3914): Vivi build fix
Problem Details: drivers/media/video/vivi.c: In function `vivi_map_sg': drivers/media/video/vivi.c:799: error: `DMA_NONE' undeclared (first use in this function) drivers/media/video/vivi.c:799: error: (Each undeclared identifier is reported only once drivers/media/video/vivi.c:799: error: for each function it appears i...
```diff diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 9e42224b46b6..779db26771c0 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -26,6 +26,7 @@ #include <linux/random.h> #include <linux/version.h> #include <linux/videodev2.h> +#include <linux/dma-mapping.h> #...
765bf9770fda950e6615451ad1a4b8866bda7dfa
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3912): Sparc32 vivi fix
Problem Details: Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 0dce9ab03ada..912791779cb4 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -18,7 +18,7 @@ config VIDEO_ADV_DEBUG config VIDEO_VIVI tristate "Virtual Video Driver" - depends on VIDEO_V4L2 + depends on ...
dd31d5ac7345b2c728bf7eb37b06383776174232
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3829): Fix frequency values in the ranges structures of the LG TDVS H06xF tuners
Problem Details: Frequency range values in the current driver for the LG TDVS H06xF tuners appear to have been a transposing of the 5 in the mid range 160-455 instead of 165-450. This patch corrects the pll programming for these tuners as per the datasheet. Signed-off-by: Rusty Scott <rustys@ieee.org> Signed-off-by: M...
```diff diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index b6e2c387a04c..791706ec1da3 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -235,8 +235,8 @@ struct dvb_pll_desc dvb_pll_tdvs_tua6034 = { .max = 863000000, .cou...
5691c8473936508c51639b6ff8467e55d8b129c1
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3819): Cxusb-bluebird: bug-fix: power down corrupts frontend
Problem Details: This patch prevents a bug where the frontend is unable to tune after waking from powered down state. Now, the device remains powered on until it is disconnected, just like the windows driver. It seems that the bluebird firmware is unable to successfully handle tuning after a powered down state. This pa...
```diff diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 7edd6362b9cc..1f0d3e995c8d 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -150,6 +150,15 @@ static int cxusb_power_ctrl(struct dvb_usb_device *d, int onoff) return cxusb_ctrl_ms...
0e4558ab4a89a127e0de36746552da9353e35f10
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3803): Various correctness fixes to tuning.
Problem Details: *) Sets an additional tuner parameter (demodulator sample gain) that wasn't being set before. *) Removes the low symbol rate tuner parameter tweaks in the previous patch -- it appears those tweaks are not necessary with the demodulator sample gain set correctly. *) Cleanup and document the demodulat...
```diff diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index fa6cdba08d25..2aac17451d75 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c @@ -76,23 +76,23 @@ static struct .symbolrate_high = 4999999, /* the specs recommend ot...
caf970e09c42843eb3b8456fc0e815f9b5385873
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3796): Add several debug messages to cx24123 code
Problem Details: Current debug messages at cx24123 are next to useless, since they don't print the values sent/read to registers. With this patch, debug=1 will show comprehensive messages. debug=2 will show also read/write operations at I2C bus. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-b...
```diff diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index e430e6a50831..115ec169b641 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c @@ -225,6 +225,10 @@ static int cx24123_writereg(struct cx24123_state* state, int reg, int da...
a74b51fca9d9b6774413d700ade1e9ae1f0c0e75
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3795): Fix for CX24123 & low symbol rates
Problem Details: - fixed the reception of channels with low symbol rates. ( The VGA1 and VGA2 offsets recommended by cx24109 docs for symbol rates from 1 to 5 MSps do not work. I changed them to values found experimentally. The charge pump current and FILTUNE voltage are now set to values recommended in the d...
```diff diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index d661c6f9cbe5..e430e6a50831 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c @@ -29,6 +29,8 @@ #include "dvb_frontend.h" #include "cx24123.h" +#define XTAL 10111000 +...
7c908fbb0139fa1080412d0590189abfe2df87eb
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3790): Use after free in drivers/media/video/em28xx/em28xx-video.c
Problem Details: In several places we use dev->devno right after we kfree() dev. This fixes coverity bug id #1065 Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index ddc92cbb5276..cf7cdf9ef617 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1576,8 +1576,8 @@ static int em28xx_init_dev(struct em28xx **devhandle, s...
b37492be25be5ff0551bff8b479e783498ebe838
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3788): Fix compilation with V4L1_COMPAT
Problem Details: Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 18b844219c1f..9debef9be8c8 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -88,3 +88,5 @@ obj-$(CONFIG_USB_VICAM) += usbvideo/ obj-$(CONFIG_VIDEO_VIVI) += vivi.o EXTRA_CFLAGS += -Idrivers/m...
9175b8544ff7b73b158df370acc1d828b28b80b7
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3763): Bug fix: Wrong tuner was used pcHDTV HD-3000 card
Problem Details: It looks like the HD3000 was prototyped with the 7610 tuner when the driver was developed, but the cards appear to have always shipped with the 7612 tuner and the driver was never adjusted for it. The definition needs to be corrected. - The HD-3000 was prototyped with a Thomson DTT7610, but productio...
```diff diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index c7042cf41231..f80154b87d22 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -564,7 +564,7 @@ struct cx88_board cx88_boards[] = { }, [CX88_BOARD_PCHDTV_HD3000] = {...
f1de3e7c5c9d8e65937addce83b42331bdad15a1
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3745): Fix a bug at pluto2 Makefile
Problem Details: When pluto2 were selected, all other module dependencies were just discarded. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/dvb/pluto2/Makefile b/drivers/media/dvb/pluto2/Makefile index 86ca84b2be6e..ce6a9aaf937e 100644 --- a/drivers/media/dvb/pluto2/Makefile +++ b/drivers/media/dvb/pluto2/Makefile @@ -1,3 +1,3 @@ -obj-$(CONFIG_DVB_PLUTO2) = pluto2.o +obj-$(CONFIG_DVB_PLUTO2) += pluto2.o EXTRA_CFLAGS = ...
a064fad337e27cfe74c04509e88ef4d2c9138ec2
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3743): Fix some more potential oopses
Problem Details: Spotted a couple more places where it fails to check if dvb_register_adapter() fails. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 71b575dc22bd..9325d039ea65 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -902,7 +902,10 @@ static int cinergyt2_probe (struct usb_interface *intf, retur...
71a8dffb07ae40af87b2f7b93dcd5810e2c558bf
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3740): Fix oops in budget-av with CI
Problem Details: Now that the CI code reinitialises the frontend, need to move the CI initialisation to after the frontend init in order to ensure the frontend is always in a good state. Fixes an oops caused by the frontend being NULL as well. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Mau...
```diff diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 8efe3ce5f66c..8a7cd7d505cf 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -1190,8 +1190,6 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensi...
7a766f9ddd74b50d6069f054a3004ece0439f5c1
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3738): Saa7134: Fix oops with disable_ir=1
Problem Details: When disable_ir=1 parameter is used, or when saa7134_input_init1() fails for any other reason, dev->remote will remain NULL, and the driver will oops in saa7134_hwinit2(). Therefore dev->remote must be checked before dereferencing. Signed-off-by: Sergey Vlasov <vsu@altlinux.ru> Signed-off-by: Mauro C...
```diff diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 13de05532e0a..f0c2111f14ad 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -548,6 +548,8 @@ static irqreturn_t saa7134_irq(int irq, void *dev_id,...
96b194c12e1206e5cdccf55ea71bb38ce1124bd9
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3726): Fix TT budget-ci 1.1 CI slots
Problem Details: It turns out the firmware on the TT budget-ci 1.1 slots doesn't generate interrupts. This patch adds support for this using polling mode on these slots. Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index 5f91036f5b87..e64a609cf4ff 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -71,6 +71,7 @@ struct budget_ci { struct tasklet_struct msp430_irq_tasklet; struct tasklet_str...
f47f4763cde162656448fcd1ada9d5e8101a00d2
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3725): Fix mutex in dvb_register_device to work.
Problem Details: This mutex is meant to stop two devices getting the same ID. dvbdev_get_free_id() scans the list of already allocated devices to find a free id. Unfortunately, since the mutex is unlocked before the card is added to the above list, it is still possible for two of them to get the same id. Its debatable...
```diff diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index 96fe0ecae250..3852430d0260 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -219,8 +219,6 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, ...
3203f94a25ea04b3052d22c7be9518538862d88f
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (3704): Fix some errors on bttv_risc_overlay
Problem Details: There are tree mistakes on bttv_risc_overlay. 1) When skip_odd is true, the number of lines for which instructions are written is (height+1)/2, not height/2. 2) This occurs when clipping: the number of instruction bytes written can be as much as 8 + 12*nclips, not 8 + 8*nclips, as currently estimated. ...
```diff diff --git a/drivers/media/video/bt8xx/bttv-risc.c b/drivers/media/video/bt8xx/bttv-risc.c index 16323a5d68ac..afcfe71e3792 100644 --- a/drivers/media/video/bt8xx/bttv-risc.c +++ b/drivers/media/video/bt8xx/bttv-risc.c @@ -233,7 +233,7 @@ bttv_risc_overlay(struct bttv *btv, struct btcx_riscmem *risc, const...
1b52fa98edd1c3e663ea4a06519e3d20976084a8
Analyze and fix the following issue in the Linux kernel code: IB: refcount race fixes
Problem Details: Fix race condition during destruction calls to avoid possibility of accessing object after it has been freed. Instead of waking up a wait queue directly, which is susceptible to a race where the object is freed between the reference count going to 0 and the wake_up(), use a completion to wait in the f...
```diff diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 7cfedb8d9bcd..86fee43502cd 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -34,6 +34,8 @@ * * $Id: cm.c 2821 2005-07-08 17:07:28Z sean.hefty $ */ + +#include <linux/completion.h> #include <linux...
bd89efc532fe41f867f848144cc8b42054ddf6f9
Analyze and fix the following issue in the Linux kernel code: [NEIGH]: Fix IP-over-ATM and ARP interaction.
Problem Details: The classical IP over ATM code maintains its own IPv4 <-> <ATM stuff> ARP table, using the standard neighbour-table code. The neigh_table_init function adds this neighbour table to a linked list of all neighbor tables which is used by the functions neigh_delete() neigh_add() and neightbl_set(), all cal...
```diff diff --git a/include/net/neighbour.h b/include/net/neighbour.h index b0666d66293f..4901ee446879 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -211,6 +211,7 @@ struct neigh_table #define NEIGH_UPDATE_F_ADMIN 0x80000000 extern void neigh_table_init(struct neigh_table *tbl); +extern...
b9cb981310bc22f165726e99385c2d85196e2f41
Analyze and fix the following issue in the Linux kernel code: [GFS2] Fix attributes setting logic
Problem Details: The attributes logic for immutable was wrong so that there was not way to remove this attribute once set. This fixes the bug. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
```diff diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index c2dbc300a50c..cf724800e0e9 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -611,8 +611,10 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); error = gfs2_gloc...
586152560ae8df2a9babf1a8b667d7a145cb8208
Analyze and fix the following issue in the Linux kernel code: [SPARC]: Fix warning on prom_getproperty in openprom.c
Problem Details: Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c index 383a95f34a0d..239e108b8ed1 100644 --- a/drivers/sbus/char/openprom.c +++ b/drivers/sbus/char/openprom.c @@ -392,13 +392,16 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file, return -ENOMEM; } - prom_...
ef34814426862c41c061520d4ac833be5914b5ba
Analyze and fix the following issue in the Linux kernel code: [TG3]: ethtool always report port is TP.
Problem Details: Even with fiber cards ethtool reports that the connected port is TP, the patch fix this. Signed-off-by: Karsten Keil <kkeil@suse.de> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 2bd9592b75cd..e1b33a25a25f 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7653,21 +7653,23 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->supported |= (SUPPORTED_1000baseT_Half | SUPPORTED_1000b...
1a2acc9e9214699a99389e323e6686e9e0e2ca67
Analyze and fix the following issue in the Linux kernel code: Revert "[BLOCK] Fix oops on removal of SD/MMC card"
Problem Details: This reverts commit 56cf6504fc1c0c221b82cebc16a444b684140fb7. Both Erik Mouw and Andrew Vasquez independently pinpointed this commit as causing problems, where the slab cache for a driver is never released (most obviously causing problems when immediately re-loading that driver, resulting in a "kmem_c...
```diff diff --git a/block/genhd.c b/block/genhd.c index d96572589621..5a8d3bf02f17 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -182,7 +182,6 @@ static int exact_lock(dev_t dev, void *data) */ void add_disk(struct gendisk *disk) { - get_device(disk->driverfs_dev); disk->flags |= GENHD_FL_UP; blk_register_...
df3fccb14ad02c5fabe095a104a0323c223f2833
Analyze and fix the following issue in the Linux kernel code: [PATCH] USB: fix omninet driver bug
Problem Details: I introduced this way back in 2.6.13 when adding the port lock logic. This device talks out through different "ports" all at the same time, so the lock logic was wrong, preventing any data from ever being sent properly. Thanks a lot to Bernhard Reiter <bernhard@intevation.de> for being patient and hel...
```diff diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 4d40704dea2c..238033a87092 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -257,14 +257,14 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf return (0); } - spi...
71a84163ca6b4e36744978385e94150af32f9d75
Analyze and fix the following issue in the Linux kernel code: [PATCH] usbserial: Fixes leak in serial_open() error path.
Problem Details: If serial_open() fails at the port assignment or mutex_lock_interruptible() is interrupted, the 'serial' object will never be freed. We should call kref_put() when those errors happens. Signed-off-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Greg Kroah-Hartman <gregkh@...
```diff diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index d9dceb4f57b9..9c36f0ece20f 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -189,11 +189,15 @@ static int serial_open (struct tty_struct *tty, struct file * filp) portNumber = tty->index...
704936a25bda9bb12e35bb222d5e3f26186dc279
Analyze and fix the following issue in the Linux kernel code: [PATCH] usbserial: Fixes use-after-free in serial_open().
Problem Details: If the device is disconnected while serial_open() is executing and either try_module_get() or the device specific open function fails, the kref_put() call in the 'bailout_kref_put' label will free the memory pointed out by 'port'. The subsequent dereferences in the 'bailout_kref_put' label will be inv...
```diff diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 071f86a59c08..d9dceb4f57b9 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -225,9 +225,9 @@ static int serial_open (struct tty_struct *tty, struct file * filp) bailout_module_put: module...
16c23f7d88cbcce491f9370b2846fad66e8ef319
Analyze and fix the following issue in the Linux kernel code: [PATCH] USB: Emagic USB firmware loading fixes
Problem Details: It's become apparent as machines get faster that the emagic kernel firmware loaders (based on the ezusb loader) have a reset race. a 400MHz TiBook never tripped it, but a 2GHz Pentium M seems to hit it about 30% of the time. The bug is seen as a hung USB box and the kernel error: drivers/usb/misc/em...
```diff diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index 3824df33094e..1fd9cb85f4ca 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/usb.h> +#include <linux/delay.h> #define MAX_INTEL_HEX_...
332bbf613868a5d5938ad9fb7436b2beae72d53d
Analyze and fix the following issue in the Linux kernel code: [PATCH] USB: add an IBM USB keyboard to the HID_QUIRK_NOGET blacklist
Problem Details: After recent changes, the USB keyboard as shipped with IBM pSeries systems does not work anymore, unless the keyboard is replugged after reboot. Adding this model to the blacklist fixes it. Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index f419bd82ab7f..435273e7c85c 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1557,6 +1557,9 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_HP 0x03f0 #define USB_DEVICE_ID_HP_U...
4992a9e88886b0c5ebc3d27eb74d0344c873eeea
Analyze and fix the following issue in the Linux kernel code: Trivial typo fixes in Kconfig files (MTD).
Problem Details: Signed-off-by: Egry Gábor <gaboregry@t-online.hu> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
```diff diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index f6b775e63ac8..5ac265dde423 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -78,7 +78,7 @@ config MTD_REDBOOT_DIRECTORY_BLOCK option. The option specifies which Flash sectors holds the RedBoot - partition table. A zero or pos...
752870707f2818b5f0d94ca05e46cb0ffee6cbf9
Analyze and fix the following issue in the Linux kernel code: OneNAND: fix block command typo
Problem Details: We need to check block cmd only instead with comparing with cmd Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
```diff diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 163c81135447..fe5b48997275 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -237,7 +237,7 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le v...
3cecf69ecde22199699c4f0e609dfed2a487b674
Analyze and fix the following issue in the Linux kernel code: OneNAND: Handle erase correctly in Double Density Package (DDP)
Problem Details: There's erase bug in DDP. We need to add DDP select in erase Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
```diff diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 6b950ab8ea8d..7c7dc0ae5a19 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -234,6 +234,12 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le ...
d9777f1c42bffff0d21cd029a2415776aa874e96
Analyze and fix the following issue in the Linux kernel code: OneNand: Fix free byte positions.
Problem Details: Some free byte positions at onenand_oob_64 were wrong. This was also reported by Christian Lehne. 3 byte slots are at 2+16*i and 2 byte slots at 14+16*i. Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
```diff diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 1439c9fa1d23..b6a73b72f600 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -34,7 +34,8 @@ static struct nand_oobinfo onenand_oob_64 = { }, .oobfree = { {2, 3}, {14, 2}, ...
1867b7e3f85dc69695735ea4a4cd12027c565d89
Analyze and fix the following issue in the Linux kernel code: [MTD] Fix invalid default value of CONFIG_MTD_PCMCIA_ANONYMOUS in Kconfig
Problem Details: Default values for boolean and tristate options can only be 'y', 'm' or 'n'. This patch removes wrong default for MTD_PCMCIA_ANONYMOUS. Signed-off-by: Jean-Luc Leger <jean-luc.leger@dspnet.fr.eu.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: D...
```diff diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index b2becd7d4337..b06ef2bdd422 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -561,7 +561,6 @@ config MTD_PCMCIA config MTD_PCMCIA_ANONYMOUS bool "Use PCMCIA MTD drivers for anonymous PCMCIA cards" depends on MTD_PC...
f0ad11d060c7acf727ead8339432bdd2bfd7f868
Analyze and fix the following issue in the Linux kernel code: [MTD] Fix capitalisation in export of old doc2001.c initfunc
Problem Details: Oops. Stupid StudlyCaps. Again. This driver is doubly-deprecated because is was subsumed into doc2000.c and _also_ we want people to start using the new NAND wrapper for these devices anyway. But ISTR there was still one person using it because something didn't work for them. Must chase that up and th...
```diff diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c index 18b536ca8546..1670eb8b9755 100644 --- a/drivers/mtd/devices/doc2001.c +++ b/drivers/mtd/devices/doc2001.c @@ -394,7 +394,7 @@ void DoCMil_init(struct mtd_info *mtd) return; } } -EXPORT_SYMBOL_GPL(DocMil_init); +EXPORT_SYMBOL_...
210525d65d33d17eb6bea6c965ce442d60d9aa8d
Analyze and fix the following issue in the Linux kernel code: [NET_SCHED]: HFSC: fix thinko in hfsc_adjust_levels()
Problem Details: When deleting the last child the level of a class should drop to zero. Noticed by Andreas Mueller <andreas@stapelspeicher.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 91132f6871d7..f1c7bd29f2cd 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -974,10 +974,10 @@ hfsc_adjust_levels(struct hfsc_class *cl) do { level = 0; list_for_each_entry(p, &cl->children, siblings) { - if (p->level > leve...
f358166a9405e4f1d8e50d8f415c26d95505b6de
Analyze and fix the following issue in the Linux kernel code: ptrace_attach: fix possible deadlock schenario with irqs
Problem Details: Eric Biederman points out that we can't take the task_lock while holding tasklist_lock for writing, because another CPU that holds the task lock might take an interrupt that then tries to take tasklist_lock for writing. Which would be a nasty deadlock, with one CPU spinning forever in an interrupt han...
```diff diff --git a/kernel/ptrace.c b/kernel/ptrace.c index b0f8da80d7d4..921c22ad16e4 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -155,8 +155,26 @@ int ptrace_attach(struct task_struct *task) if (task->tgid == current->tgid) goto out; - write_lock_irq(&tasklist_lock); +repeat: + /* + * Nasty, nasty....
ce477ae4f8c75c94587c3157deffad8219db09a0
Analyze and fix the following issue in the Linux kernel code: IB/mthca: FMR ioremap fix
Problem Details: Addresses for ioremap must be calculated off of pci_resource_start; we can't directly use the bus address as seen by the HCA. Fix the code that remaps device memory for FMR access. Based on patch by Klaus Smolin. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <ro...
```diff diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index 25e1c1db9a40..a486dec1707e 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -761,6 +761,7 @@ void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *f...
7fc5b1e3a170d865f625e609c087cf8d84fd285d
Analyze and fix the following issue in the Linux kernel code: [Cardman 40x0] Fix udev device creation
Problem Details: This patch corrects the order of the calls to register_chrdev() and pcmcia_register_driver(). Now udev correctly creates userspace device files /dev/cmmN and /dev/cmxN respectively. Based on an earlier patch by Jan Niehusmann <jan@gondor.com>. Signed-off-by: Harald Welte <laforge@netfilter.org> Sign...
```diff diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 02114a0bd0d9..128b2632512d 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1981,10 +1981,6 @@ static int __init cmm_init(void) if (!cmm_class) return -1; - rc = pcmcia_register_driv...
2ca48a132167f9f12efba179382979aafde0ab36
Analyze and fix the following issue in the Linux kernel code: [SCSI] fix proc_scsi_write to return "length" on success with remove-single-device case
Problem Details: Problem spotted by: Suzuki K P <suzuki@in.ibm.com> A zero return on success isn't correct for filesystem write functions. They should either return negative error or the length of bytes consumed. Add code to convert our zero on success error return to return the length of bytes passed in. This fixes...
```diff diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index 07be62bbaaea..55200e4fdf11 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -266,8 +266,6 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, lun = simple_strtoul(p + 1, &p, 0); err = s...
b04ecae3d62edea2af49fd40ab12435b5ad8a492
Analyze and fix the following issue in the Linux kernel code: [MTD] Fix capitalisation in export of DiskOnChip Millennium initfunc
Problem Details: Stupid StudlyCaps. Who did that? Signed-off-by: David Woodhouse <dwmw2@infradead.org>
```diff diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c index c80a0efa3f35..0dc5d108f7b5 100644 --- a/drivers/mtd/devices/doc2001plus.c +++ b/drivers/mtd/devices/doc2001plus.c @@ -517,7 +517,7 @@ void DoCMilPlus_init(struct mtd_info *mtd) return; } } -EXPORT_SYMBOL_GPL(DocMilPlu...
ed2abc7ff19dc99c6242a70f8578a17b2ff0d0ce
Analyze and fix the following issue in the Linux kernel code: [SCSI] iscsi: fix manamgement task oops
Problem Details: from patmans@us.ibm.com and michaelc@cs.wisc.edu Fix bugs when forcing a mgmt task to fail and allow session recovery to cleanup the session/connection of any running mgmt tasks. When called during the in login state. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley ...
```diff diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 274a1374ab64..8c51f6c36661 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1538,10 +1538,11 @@ flush_control_queues(struct iscsi_session *session, struct iscsi_conn *conn) /* handle running */ list_for_each_entry_saf...
6dd727da92290193d0f74fa39f3ad53f423524db
Analyze and fix the following issue in the Linux kernel code: [SCSI] mptfc: race between mptfc_register_dev and mptfc_target_alloc
Problem Details: A race condition exists in mptfc between the thread registering a device with the fc transport and the scan work generated by the transport. This race existed prior to the application of the mptfc bug fix patch. mptfc_register_dev() calls fc_remote_port_add() with the FC_RPORT_ROLE_TARGET bit set in t...
```diff diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index e1fb5a166366..856487741ef4 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -341,9 +341,6 @@ mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid) rid->port_name = (...
a50bb7b9af9a7c39b2aba15678eb686ae428718c
Analyze and fix the following issue in the Linux kernel code: [TG3]: Fix possible NULL deref in tg3_run_loopback().
Problem Details: tg3_run_loopback doesn't check that dev_alloc_skb() returns anything useful. Even if dev_alloc_skb() fails to return an skb to us we'll happily go on and assume it did, so we risk dereferencing a NULL pointer. Much better to fail gracefully by returning -ENOMEM than crashing here. Signed-off-by: Jes...
```diff diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index beeb612be98f..2bd9592b75cd 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -8454,6 +8454,9 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) tx_len = 1514; skb = dev_alloc_skb(tx_len); + if (!skb) + return -ENOMEM; + tx_...
f07d5b946510a54937a75a3654941e855ffdc4c2
Analyze and fix the following issue in the Linux kernel code: [NET]: Make netdev_chain a raw notifier.
Problem Details: From: Alan Stern <stern@rowland.harvard.edu> This chain does it's own locking via the RTNL semaphore, and can also run recursively so adding a new mutex here was causing deadlocks. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/core/dev.c b/net/core/dev.c index 9ab3cfa58466..ced57430f6d8 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -193,7 +193,7 @@ static inline struct hlist_head *dev_index_hash(int ifindex) * Our notifier list */ -static BLOCKING_NOTIFIER_HEAD(netdev_chain); +static RAW_NOTIFIER_HEAD(net...
63cbd2fda38f3d1f107c4fd6261e5660be3eccf9
Analyze and fix the following issue in the Linux kernel code: [IPV4]: ip_options_fragment() has no effect on fragmentation
Problem Details: Fix error point to options in ip_options_fragment(). optptr get a error pointer to the ipv4 header, correct is pointer to ipv4 options. Signed-off-by: Wei Yongjun <weiyj@soft.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 9bebad07bf2e..cbcae6544622 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -209,7 +209,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb) void ip_options_fragment(struct sk_buff * skb) { - unsigned char...
1929ab8c6860a4a94109eed038b0fa9d12c81721
Analyze and fix the following issue in the Linux kernel code: [ARM] Fix thread struct allocator for SMP case
Problem Details: The ARM thread struct allocator is racy on SMP systems. Fix it by turning it into a per-cpu based allocator. This also allows keeps the cache cache warm for thread structs and kernel stacks. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 1ff75cee4b0d..1a1539e3a946 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -264,8 +264,12 @@ void show_fpregs(struct user_fp *regs) /* * Task structure and kernel stack allocation. */ -static unsigned long *t...
95563d343fec8d3e2f667c95230ac4ab7674b757
Analyze and fix the following issue in the Linux kernel code: [PATCH] scx200_acb: Fix for the CS5535 errata
Problem Details: This is a fix for the CS5535 errata 111: When the SMBus controller tries to access a non-existing device, it sets the NEGACK bit, SMBus I/O offset 01h[4], to 1 after it detects no acknowledge at the ninth clock. The specification states that the bit can be cleared by writing a 1 to it, but under cert...
```diff diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 42e4e00d6c32..a140e4536a4e 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -133,6 +133,9 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status) outb(inb(ACBCTL1) ...
b33d0798e6cfae1fcee75afc808fe5690a48a814
Analyze and fix the following issue in the Linux kernel code: [PATCH] scx200_acb: Fix resource name use after free
Problem Details: We can't pass a string on the stack to request_region. As soon as we leave the function that stack is gone and the string is lost. Let's use the same string we identify the i2c_adapter with instead, it's more simple, more consistent, and just works. This is the second half of fix to bug #6445. Signed...
```diff diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index f2dae6831142..42e4e00d6c32 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -415,7 +415,6 @@ static int __init scx200_acb_create(const char *text, int base, int index) struct scx200_acb_i...
6f9c2963888e60e46a9e0bd09a25740abce29262
Analyze and fix the following issue in the Linux kernel code: [PATCH] scx200_acb: Fix return on init error
Problem Details: The scx200_acb driver shouldn't return failure after initialization if it successfully registered at least one i2c_adapter, else we are leaking resources. The driver was OK in that respect up to 2.6.16, a recent change broke it. This is part of the fix to bug #6445. Signed-off-by: Jean Delvare <khali...
```diff diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 8bd305e47f0d..f2dae6831142 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -524,6 +524,9 @@ static int __init scx200_acb_init(void) } else if (pci_dev_present(divil_pci)) rc = scx200_a...
a3285aa4eecd722508dab01c4932b11b4ba80134
Analyze and fix the following issue in the Linux kernel code: IB/mthca: Fix race in reference counting
Problem Details: Fix races in in destroying various objects. If a destroy routine waits for an object to become free by doing wait_event(&obj->wait, !atomic_read(&obj->refcount)); /* now clean up and destroy the object */ and another place drops a reference to the object by doing if (atomic_dec_and_test(&obj->re...
```diff diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 312cf90731ea..205854e9c662 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -238,9 +238,9 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn, spin_lock(&dev-...
d945e1df28ca07642b3e1a9b9d07074ba5f76be0
Analyze and fix the following issue in the Linux kernel code: IB/srp: Fix tracking of pending requests during error handling
Problem Details: If a SCSI abort completes, or the command completes successfully, then the driver must remove the command from its queue of pending commands. Similarly, if a device reset succeeds, then all commands queued for the given device must be removed from the queue. Signed-off-by: Roland Dreier <rolandd@cisc...
```diff diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 5bb55742ada6..c32ce4348e1b 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -409,6 +409,34 @@ static int srp_connect_target(struct srp_target_port *target) } } +static v...