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[media] media: vb2: reset queued_count value during queue reinitialization 

queued_count variable was left untouched during the queue reinitialization
in __vb2_queue_cancel, what might lead to mismatch between the real number
of queued buffers and queued_count variable.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Marek Szyprowski 2011-06-10 08:58:42 -03:00 committed by Mauro Carvalho Chehab
parent bf7b73efb7
commit afdea8bac5
1 changed files with 1 additions and 0 deletions
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1
drivers/media/video/videobuf2-core.c
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@ -1189,6 +1189,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q)
* has not already dequeued before initiating cancel.
*/
INIT_LIST_HEAD(&q->done_list);
atomic_set(&q->queued_count, 0);
wake_up_all(&q->done_wq);
/*