Commit 228b791b authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab

[media] dt3155v4l: fix incorrect mutex locking

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: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 48fc9e26
......@@ -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);
......
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