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[media] vb2: fix PREPARE_BUF regression

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Fix an incorrect test in vb2_internal_qbuf() where only DEQUEUED buffers
are allowed. But PREPARED buffers are also OK.

Introduced by commit 4138111a27
("vb2: simplify qbuf/prepare_buf by removing callback").

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-02-10 13:12:00 -03:00 committed by Mauro Carvalho Chehab
parent 4e5a4d8a8e
commit 952c9ee290
1 changed files with 2 additions and 6 deletions
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8
drivers/media/v4l2-core/videobuf2-core.c
View File

@ -1459,11 +1459,6 @@ static int vb2_internal_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
return ret;
vb = q->bufs[b->index];
if (vb->state != VB2_BUF_STATE_DEQUEUED) {
dprintk(1, "%s(): invalid buffer state %d\n", __func__,
vb->state);
return -EINVAL;
}
switch (vb->state) {
case VB2_BUF_STATE_DEQUEUED:
@ -1477,7 +1472,8 @@ static int vb2_internal_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
dprintk(1, "qbuf: buffer still being prepared\n");
return -EINVAL;
default:
dprintk(1, "qbuf: buffer already in use\n");
dprintk(1, "%s(): invalid buffer state %d\n", __func__,
vb->state);
return -EINVAL;
}