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[media] dt3155v4l: fix incorrect mutex locking

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A mutex_unlock was missing in the 'success' path of the open() call,
and also at one error path in the same function.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-04-10 08:05:00 -03:00 committed by Mauro Carvalho Chehab
parent 48fc9e2670
commit 228b791bfd
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/media/dt3155v4l/dt3155v4l.c
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@ -398,7 +398,7 @@ dt3155_open(struct file *filp)
pd->field_count = 0;
ret = vb2_queue_init(pd->q);
if (ret < 0)
return ret;
goto err_request_irq;
INIT_LIST_HEAD(&pd->dmaq);
spin_lock_init(&pd->lock);
/* disable all irqs, clear all irq flags */
@ -410,6 +410,7 @@ dt3155_open(struct file *filp)
goto err_request_irq;
}
pd->users++;
mutex_unlock(&pd->mux);
return 0; /* success */
err_request_irq:
kfree(pd->q);