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| author | Jarek Poplawski <jarkao2@gmail.com> | 2010-09-22 22:05:05 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-23 02:22:39 +0200 |
| commit | 142092e577255e33a4ab74c6baad04c9fb887927 (patch) | |
| tree | 3c662d36238262873014c41d2adac6815a0421fb /fs/dlm/util.h | |
| parent | efifb: support the EFI framebuffer on more Apple hardware (diff) | |
| download | linux-142092e577255e33a4ab74c6baad04c9fb887927.tar.xz linux-142092e577255e33a4ab74c6baad04c9fb887927.zip | |
fbcon: fix lockdep warning from fbcon_deinit()
Fix the lockdep warning:
[ 13.657164] INFO: trying to register non-static key.
[ 13.657169] the code is fine but needs lockdep annotation.
[ 13.657171] turning off the locking correctness validator.
[ 13.657177] Pid: 622, comm: modprobe Not tainted 2.6.36-rc3c #8
[ 13.657180] Call Trace:
[ 13.657194] [<c13002c8>] ? printk+0x18/0x20
[ 13.657202] [<c1056cf6>] register_lock_class+0x336/0x350
[ 13.657208] [<c1058bf9>] __lock_acquire+0x449/0x1180
[ 13.657215] [<c1059997>] lock_acquire+0x67/0x80
[ 13.657222] [<c1042bf1>] ? __cancel_work_timer+0x51/0x230
[ 13.657227] [<c1042c23>] __cancel_work_timer+0x83/0x230
[ 13.657231] [<c1042bf1>] ? __cancel_work_timer+0x51/0x230
[ 13.657236] [<c10582b2>] ? mark_held_locks+0x62/0x80
[ 13.657243] [<c10b3a2f>] ? kfree+0x7f/0xe0
[ 13.657248] [<c105853c>] ? trace_hardirqs_on_caller+0x11c/0x160
[ 13.657253] [<c105858b>] ? trace_hardirqs_on+0xb/0x10
[ 13.657259] [<c117f4cd>] ? fbcon_deinit+0x16d/0x1e0
[ 13.657263] [<c117f4cd>] ? fbcon_deinit+0x16d/0x1e0
[ 13.657268] [<c1042dea>] cancel_work_sync+0xa/0x10
[ 13.657272] [<c117f444>] fbcon_deinit+0xe4/0x1e0
...
The warning is caused by trying to cancel an uninitialized work from
fbcon_exit(). Fix it by adding a check for queue.func, similarly to other
places in this code.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/dlm/util.h')
0 files changed, 0 insertions, 0 deletions