From: Hans Verkuil <hans.verk...@cisco.com>

Don't call buf_finish unless we know that the buffer is in a valid state.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
 drivers/media/v4l2-core/videobuf2-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/v4l2-core/videobuf2-core.c 
b/drivers/media/v4l2-core/videobuf2-core.c
index c52de1d..7716b73 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1878,8 +1878,6 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct 
v4l2_buffer *b, bool n
        if (ret < 0)
                return ret;
 
-       call_vb_qop(vb, buf_finish, vb);
-
        switch (vb->state) {
        case VB2_BUF_STATE_DONE:
                dprintk(3, "dqbuf: Returning done buffer\n");
@@ -1892,6 +1890,8 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct 
v4l2_buffer *b, bool n
                return -EINVAL;
        }
 
+       call_vb_qop(vb, buf_finish, vb);
+
        /* Fill buffer information for the userspace */
        __fill_v4l2_buffer(vb, b);
        /* Remove from videobuf queue */
-- 
1.9.rc1

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