Patch: V4L stable versions 4.5.3 and 4.5.4

[David R <david@unsolicited.net>]

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Hi

Please consider applying the attached patch (or something like it) to
V4L2, and whatever is appropriate to the mainstream kernel. Without this
my media server crashes and burns at boot.

See https://lkml.org/lkml/2016/5/7/88 for more details

Thanks
David

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--- drivers/media/v4l2-core/videobuf2-core.c.old	2016-05-11 18:44:50.917083559 +0100
+++ drivers/media/v4l2-core/videobuf2-core.c	2016-05-11 18:45:10.136184837 +0100
@@ -1665,7 +1665,7 @@ static int __vb2_get_done_vb(struct vb2_
 	 * Only remove the buffer from done_list if v4l2_buffer can handle all
 	 * the planes.
 	 */
-	ret = call_bufop(q, verify_planes_array, *vb, pb);
+	ret = pb ? call_bufop(q, verify_planes_array, *vb, pb) : 0;
 	if (!ret)
 		list_del(&(*vb)->done_entry);
 	spin_unlock_irqrestore(&q->done_lock, flags);