diff mbox

[17/20] videobuf2-core: require q->lock

Message ID 20180518185208.17722-18-ezequiel@collabora.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ezequiel Garcia May 18, 2018, 6:52 p.m. UTC 
From: Hans Verkuil <hansverk@cisco.com>

Refuse to initialize a vb2 queue if there is no lock specified.

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
---
 drivers/media/common/videobuf2/videobuf2-core.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index d3f7bb33a54d..3b89ec5e0b2f 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -2002,6 +2002,7 @@  int vb2_core_queue_init(struct vb2_queue *q)
 	if (WARN_ON(!q)			  ||
 	    WARN_ON(!q->ops)		  ||
 	    WARN_ON(!q->mem_ops)	  ||
+	    WARN_ON(!q->lock)		  ||
 	    WARN_ON(!q->type)		  ||
 	    WARN_ON(!q->io_modes)	  ||
 	    WARN_ON(!q->ops->queue_setup) ||