diff options
author | Dave Jones <davej@redhat.com> | 2006-12-13 02:13:32 +0300 |
---|---|---|
committer | Dave Jones <davej@redhat.com> | 2006-12-13 02:13:32 +0300 |
commit | f0eef25339f92f7cd4aeea23d9ae97987a5a1e82 (patch) | |
tree | 2472e94d39f43a9580a6d2d5d92de0b749023263 /drivers/ieee1394/dv1394-private.h | |
parent | 0cfea5dd98205f2fa318836da664a7d7df1afbc1 (diff) | |
parent | e1036502e5263851259d147771226161e5ccc85a (diff) | |
download | linux-f0eef25339f92f7cd4aeea23d9ae97987a5a1e82.tar.xz |
Merge ../linus
Diffstat (limited to 'drivers/ieee1394/dv1394-private.h')
-rw-r--r-- | drivers/ieee1394/dv1394-private.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ieee1394/dv1394-private.h b/drivers/ieee1394/dv1394-private.h index 80b5ac7fe383..7d1d2845b420 100644 --- a/drivers/ieee1394/dv1394-private.h +++ b/drivers/ieee1394/dv1394-private.h @@ -460,7 +460,7 @@ struct video_card { int dma_running; /* - 3) the sleeping semaphore 'sem' - this is used from process context only, + 3) the sleeping mutex 'mtx' - this is used from process context only, to serialize various operations on the video_card. Even though only one open() is allowed, we still need to prevent multiple threads of execution from entering calls like read, write, ioctl, etc. @@ -468,9 +468,9 @@ struct video_card { I honestly can't think of a good reason to use dv1394 from several threads at once, but we need to serialize anyway to prevent oopses =). - NOTE: if you need both spinlock and sem, take sem first to avoid deadlock! + NOTE: if you need both spinlock and mtx, take mtx first to avoid deadlock! */ - struct semaphore sem; + struct mutex mtx; /* people waiting for buffer space, please form a line here... */ wait_queue_head_t waitq; |