st/va: release held locks in error paths

Found with the help of following Coccinelle semantic patch:
// <smpl>
@@
expression E;
@@

  \(pthread_mutex_lock\|mtx_lock\|simple_mtx_lock\)(E)
  ...
(
  \(pthread_mutex_unlock\|mtx_unlock\|simple_mtx_unlock\)(E);
  ...
  return ...;
|
+ maybe need_unlock(E);
  return ...;
)
// </smpl>

Signed-off-by: Grazvydas Ignotas <[email protected]>
Reviewed-by: Christian König <[email protected]>
Cc: [email protected]

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gallium/state_trackers/va/image.c b/src/gallium/state_trackers/va/image.c
index 86ae8685802..3f892c9842c 100644
--- a/src/gallium/state_trackers/va/image.c
+++ b/src/gallium/state_trackers/va/image.c
@@ -548,8 +548,10 @@ vlVaPutImage(VADriverContextP ctx, VASurfaceID surface, VAImageID image,
                                           PIPE_TRANSFER_WRITE |
                                           PIPE_TRANSFER_DISCARD_RANGE,
                                           &dst_box, &transfer);
-            if (map == NULL)
+            if (map == NULL) {
+               mtx_unlock(&drv->mutex);
                return VA_STATUS_ERROR_OPERATION_FAILED;
+            }
 
             u_copy_nv12_from_yv12((const void * const*) data, pitches, i, j,
                                   transfer->stride, tex->array_size,