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V4L/DVB (6803): buf-core.c locking fixes 

After commit 19fb145799 the callers in
videobuf-core.c that already hold the lock must call
__videobuf_read_start() instead of videobuf_read_start().

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Adrian Bunk 2007-12-12 16:44:54 -03:00 committed by Mauro Carvalho Chehab
parent da8cadb31b
commit 3f84307a10
1 changed files with 2 additions and 2 deletions
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4
drivers/media/video/videobuf-core.c
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@ -909,7 +909,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
if (q->streaming)
goto done;
if (!q->reading) {
retval = videobuf_read_start(q);
retval = __videobuf_read_start(q);
if (retval < 0)
goto done;
}
@ -982,7 +982,7 @@ unsigned int videobuf_poll_stream(struct file *file,
struct videobuf_buffer, stream);
} else {
if (!q->reading)
videobuf_read_start(q);
__videobuf_read_start(q);
if (!q->reading) {
rc = POLLERR;
} else if (NULL == q->read_buf) {