- 04 1月, 2008 17 次提交
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由 Li Zefan 提交于
Error code should be set to EINVAL instead of ENODEV if !queue_work(). There's another call of queue_work() which may set err to EINVAL. Signed-off-by: NLi Zefan <lizf@cn.fujitsu.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mark McLoughlin 提交于
When re-naming an interface, the previous secondary address labels get lost e.g. $> brctl addbr foo $> ip addr add 192.168.0.1 dev foo $> ip addr add 192.168.0.2 dev foo label foo:00 $> ip addr show dev foo | grep inet inet 192.168.0.1/32 scope global foo inet 192.168.0.2/32 scope global foo:00 $> ip link set foo name bar $> ip addr show dev bar | grep inet inet 192.168.0.1/32 scope global bar inet 192.168.0.2/32 scope global bar:2 Turns out to be a simple thinko in inetdev_changename() - clearly we want to look at the address label, rather than the device name, for a suffix to retain. Signed-off-by: NMark McLoughlin <markmc@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
1) close should do napi_disable() not napi_enable 2) remove unused local var 'todo' Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
skb->truesize was not being incremented at all to reflect the page based data added to RX SKBs. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
This reverts changeset fa4f0774 ([CASSINI]: dont touch page_count) because it breaks the driver. The local page counting added by this changeset did not account for the asynchronous page count changes done by kfree_skb() and friends. The change adds extra atomics and on top of it all appears to be totally unnecessary as well. Signed-off-by: NDavid S. Miller <davem@davemloft.net> Acked-by: NNick Piggin <npiggin@suse.de>
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由 Al Viro 提交于
Here's proposed fix for RX checksum handling in cassini; it affects little-endian working with half-duplex gigabit, but obviously needs testing on big-endian too. The problem is, we need to convert checksum to fixed-endian *before* correcting for (unstripped) FCS. On big-endian it won't matter (conversion is no-op), on little-endian it will, but only if FCS is not stripped by hardware; i.e. in half-duplex gigabit mode when ->crc_size is set. cassini.c part is that fix, cassini.h one consists of trivial endianness annotations. With that applied the sucker is endian-clean, according to sparse. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
In include/net/xfrm.h we find : #ifdef CONFIG_XFRM_MIGRATE extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles); ... #endif We can also guard the function body itself in net/xfrm/xfrm_state.c with same condition. (Problem spoted by sparse checker) make C=2 net/xfrm/xfrm_state.o ... net/xfrm/xfrm_state.c:1765:5: warning: symbol 'km_migrate' was not declared. Should it be static? ... Signed-off-by: NEric Dumazet <dada1@cosmosbay.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Julia Lawall 提交于
The function x25_get_neigh increments a reference count. At the point of the second goto out, the result of calling x25_get_neigh is only stored in a local variable, and thus no one outside the function will be able to decrease the reference count. Thus, x25_neigh_put should be called before the return in this case. The problem was found using the following semantic match. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T,T1,T2; identifier E; statement S; expression x1,x2,x3; int ret; @@ T E; ... * if ((E = x25_get_neigh(...)) == NULL) S ... when != x25_neigh_put(...,(T1)E,...) when != if (E != NULL) { ... x25_neigh_put(...,(T1)E,...); ...} when != x1 = (T1)E when != E = x3; when any if (...) { ... when != x25_neigh_put(...,(T2)E,...) when != if (E != NULL) { ... x25_neigh_put(...,(T2)E,...); ...} when != x2 = (T2)E ( * return; | * return ret; ) } // </smpl> Signed-off-by: NJulia Lawall <julia@diku.dk> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/srp: Fix list corruption/oops on module reload
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由 Samuel Thibault 提交于
The console is now by default in UTF-8 mode. Fix the documentation on the default value, so that we can explain behaviour that otherwise causes bug-reports like this: http://bugzilla.kernel.org/show_bug.cgi?id=9319 Also add the needed "vt." prefix, so that the boot-time config options to switch back to the legacy 8-bit mode is actually documented correctly. Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://lm-sensors.org/kernel/mhoffman/hwmon-2.6由 Linus Torvalds 提交于
* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6: hwmon: (w83627ehf) Be more careful when changing VID input level
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git://git.linux-nfs.org/pub/linux/nfs-2.6由 Linus Torvalds 提交于
* git://git.linux-nfs.org/pub/linux/nfs-2.6: NFSv4: Fix open_to_lock_owner sequenceid allocation... NFSv4: nfs4_open_confirm must not set the open_owner as confirmed on error NFS: add newline to kernel warning message in auth_gss code NFSv4: Fix circular locking dependency in nfs4_kill_renewd NFS: Fix a possible Oops in fs/nfs/super.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] scsi_sysfs: restore prep_fn when ULD is removed
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由 David Dillow 提交于
Add a missing call to srp_remove_host() in srp_remove_one() so that we don't leak SRP transport class list entries. Tested-by: NDavid Dillow <dillowda@ornl.gov> Acked-by: NFUJITA Tomonori <tomof@acm.org> Signed-off-by: NRoland Dreier <rolandd@cisco.com>
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- 03 1月, 2008 12 次提交
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由 Trond Myklebust 提交于
NFSv4 file locking is currently completely broken since it doesn't respect the OPEN sequencing when it is given an unconfirmed lock_owner and needs to do an open_to_lock_owner. Worse: it breaks the sunrpc rules by doing a GFP_KERNEL allocation inside an rpciod callback. Fix is to preallocate the open seqid structure in nfs4_alloc_lockdata if we see that the lock_owner is unconfirmed. Then, in nfs4_lock_prepare() we wait for either the open_seqid, if the lock_owner is still unconfirmed, or else fall back to waiting on the standard lock_seqid. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
RFC3530 states that the open_owner is confirmed if and only if the client sends an OPEN_CONFIRM request with the appropriate sequence id and stateid within the lease period. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 James Morris 提交于
Add newline to kernel warning message in gss_create(). Signed-off-by: NJames Morris <jmorris@namei.org> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Erez Zadok reports: ======================================================= [ INFO: possible circular locking dependency detected ] 2.6.24-rc6-unionfs2 #80 ------------------------------------------------------- umount.nfs4/4017 is trying to acquire lock: (&(&clp->cl_renewd)->work){--..}, at: [<c0223e53>] __cancel_work_timer+0x83/0x17f but task is already holding lock: (&clp->cl_sem){----}, at: [<f8879897>] nfs4_kill_renewd+0x17/0x29 [nfs] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&clp->cl_sem){----}: [<c0230699>] __lock_acquire+0x9cc/0xb95 [<c0230c39>] lock_acquire+0x5f/0x78 [<c0397cb8>] down_read+0x3a/0x4c [<f88798e6>] nfs4_renew_state+0x1c/0x1b8 [nfs] [<c0223821>] run_workqueue+0xd9/0x1ac [<c0224220>] worker_thread+0x7a/0x86 [<c0226b49>] kthread+0x3b/0x62 [<c02033a3>] kernel_thread_helper+0x7/0x10 [<ffffffff>] 0xffffffff -> #0 (&(&clp->cl_renewd)->work){--..}: [<c0230589>] __lock_acquire+0x8bc/0xb95 [<c0230c39>] lock_acquire+0x5f/0x78 [<c0223e87>] __cancel_work_timer+0xb7/0x17f [<c0223f5a>] cancel_delayed_work_sync+0xb/0xd [<f887989e>] nfs4_kill_renewd+0x1e/0x29 [nfs] [<f885a8f6>] nfs_free_client+0x37/0x9e [nfs] [<f885ab20>] nfs_put_client+0x5d/0x62 [nfs] [<f885ab9a>] nfs_free_server+0x75/0xae [nfs] [<f8862672>] nfs4_kill_super+0x27/0x2b [nfs] [<c0258aab>] deactivate_super+0x3f/0x51 [<c0269668>] mntput_no_expire+0x42/0x67 [<c025d0e4>] path_release_on_umount+0x15/0x18 [<c0269d30>] sys_umount+0x1a3/0x1cb [<c0269d71>] sys_oldumount+0x19/0x1b [<c02026ca>] sysenter_past_esp+0x5f/0xa5 [<ffffffff>] 0xffffffff Looking at the code, it would seem that taking the clp->cl_sem in nfs4_kill_renewd is completely redundant, since we're already guaranteed to have exclusive access to the nfs_client (we're shutting down). Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Sigh... commit 4584f520 (NFS: Fix NFS mountpoint crossing...) had a slight flaw: server can be NULL if sget() returned an existing superblock. Fix the fix by dereferencing s->s_fs_info. Thanks to Coverity/Adrian Bunk and Frank Filz for spotting the bug. (See http://bugzilla.kernel.org/show_bug.cgi?id=9647) Also add in the same namespace Oops fix for NFSv4 in both the mountpoint crossing case, and the referral case. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Jean Delvare 提交于
The VID input level change has been reported to cause trouble. Be more careful in this respect: * Only change the level on the W83627EHF/EHG. The W83627DHG is more complex in this respect. * Don't change the level if the VID pins are in output mode. * Only set the level to TTL if VRM 9.x is used. Signed-off-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NMark M. Hoffman <mhoffman@lightlink.com>
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由 Linus Torvalds 提交于
The previous commit missed one use of "may_attach()" that had been renamed to __ptrace_may_attach(). Tssk, tssk, Al. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Al Viro 提交于
Contents of /proc/*/maps is sensitive and may become sensitive after open() (e.g. if target originally shares our ->mm and later does exec on suid-root binary). Check at read() (actually, ->start() of iterator) time that mm_struct we'd grabbed and locked is - still the ->mm of target - equal to reader's ->mm or the target is ptracable by reader. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Acked-by: NRik van Riel <riel@redhat.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ingo Molnar 提交于
This reverts commit 6f5391c2 ("[SCSI] Get rid of scsi_cmnd->done") that was supposed to be a cleanup commit, but apparently it causes regressions: Bug 9370 - v2.6.24-rc2-409-g9418d5dc: attempt to access beyond end of device http://bugzilla.kernel.org/show_bug.cgi?id=9370 this patch should be reintroduced in a more split-up form to make testing of it easier. Signed-off-by: NIngo Molnar <mingo@elte.hu> Acked-by: NMatthew Wilcox <matthew@wil.cx> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
Both SLUB and SLAB really did almost exactly the same thing for /proc/slabinfo setup, using duplicate code and per-allocator #ifdef's. This just creates a common CONFIG_SLABINFO that is enabled by both SLUB and SLAB, and shares all the setup code. Maybe SLOB will want this some day too. Reviewed-by: NPekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 James Bottomley 提交于
A recent bug report: http://bugzilla.kernel.org/show_bug.cgi?id=9674 Was caused because the ULDs now set their own prep functions, but don't necessarily reset the prep function back to the SCSI default when they are removed. This leads to panics if commands are sent to the device after the module is removed because the prep_fn is still pointing to the old module code. The fix for this is to implement a bus remove method that resets the prep_fn pointer correctly before calling the ULD specific driver remove method. Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Pekka Enberg 提交于
We need to register slabinfo to procfs when CONFIG_SLUB is enabled to make the file actually visible to user-space. Signed-off-by: NPekka Enberg <penberg@cs.helsinki.fi> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 02 1月, 2008 8 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc由 Linus Torvalds 提交于
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix build failure on Cell when CONFIG_SPU_FS=y
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由 Paul Mackerras 提交于
Commit aed3a8c9 introduced a definition of notify_spus_active in .../cell/spu_syscalls.c, and another definition under #ifndef MODULE in .../cell/spufs/sched.c. The latter is not necessary and causes the build to fail when CONFIG_SPU_FS=y, so this removes it. It also removes the export of do_notify_spus_active, which is unnecessary. Signed-off-by: NPaul Mackerras <paulus@samba.org> Acked-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NJeremy Kerr <jk@ozlabs.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: x86: fix asm-x86/msr.h for user-space export x86: fix asm-x86/byteorder.h for userspace export
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git://git.o-hand.com/linux-rpurdie-leds由 Linus Torvalds 提交于
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds: leds: Fix locomo LED driver oops leds: Fix leds_list_lock locking issues
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由 Pekka J Enberg 提交于
This adds a read-only /proc/slabinfo file on SLUB, that makes slabtop work. [ mingo@elte.hu: build fix. ] Cc: Andi Kleen <andi@firstfloor.org> Cc: Christoph Lameter <clameter@sgi.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: NPekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rusty Russell 提交于
After 17d57a92 ("x86: fix x86-32 early fixmap initialization.") removing lg.ko caused a printk from vunmap: mm/memory.c:115: bad pgd 004b3027. On the second use after module load, the kernel crashes. This fixes the immediate problem (accessed and dirty bits not set as expected in pmd_none_or_clear_bad). I can't see why this would cause a crash, but I haven't been able to reproduce it once this is applied. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Use __asm__ and __volatile__ in code that is exported to userspace. Wrap kernel functions with __KERNEL__ so they get scrubbed. No code changed: text data bss dec hex filename 9681036 1698924 3407872 14787832 e1a4f8 vmlinux.before 9681036 1698924 3407872 14787832 e1a4f8 vmlinux.after Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mike Frysinger 提交于
Since asm-x86/byteorder.h is exported to userspace, use __asm__ rather than asm in its code. Signed-Off-By: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 01 1月, 2008 2 次提交
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由 Richard Purdie 提交于
Fix locomo-leds to use the correct struct device to prevent an oops. Signed-off-by: NRichard Purdie <rpurdie@rpsys.net>
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由 Richard Purdie 提交于
Covert leds_list_lock to a rw_sempahore to match previous LED trigger locking fixes, fixing lock ordering. Signed-off-by: NRichard Purdie <rpurdie@rpsys.net>
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- 31 12月, 2007 1 次提交
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由 Ingo Molnar 提交于
Meelis Roos reported these warnings on sparc64: CC kernel/sched.o In file included from kernel/sched.c:879: kernel/sched_debug.c: In function 'nsec_high': kernel/sched_debug.c:38: warning: comparison of distinct pointer types lacks a cast the debug check in do_div() is over-eager here, because the long long is always positive in these places. Mark this by casting them to unsigned long long. no change in code output: text data bss dec hex filename 51471 6582 376 58429 e43d sched.o.before 51471 6582 376 58429 e43d sched.o.after md5: 7f7729c111f185bf3ccea4d542abc049 sched.o.before.asm 7f7729c111f185bf3ccea4d542abc049 sched.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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