hwcontext_opencl: Only release command queue if it exists

If the frames context creation fails then the command queue reference need not exist when uninit is called.
6 years ago · b9aff7a53d
parent 8cc5107705
commit b9aff7a53d
1 changed files with 7 additions and 4 deletions
--- a/libavutil/hwcontext_opencl.c
+++ b/libavutil/hwcontext_opencl.c
@ -1726,10 +1726,13 @@ static void opencl_frames_uninit(AVHWFramesContext *hwfc)
    av_freep(&priv->mapped_frames);
 #endif

-    cle = clReleaseCommandQueue(priv->command_queue);
-    if (cle != CL_SUCCESS) {
-        av_log(hwfc, AV_LOG_ERROR, "Failed to release frame "
-               "command queue: %d.\n", cle);
+    if (priv->command_queue) {
+        cle = clReleaseCommandQueue(priv->command_queue);
+        if (cle != CL_SUCCESS) {
+            av_log(hwfc, AV_LOG_ERROR, "Failed to release frame "
+                   "command queue: %d.\n", cle);
+        }
+        priv->command_queue = NULL;
    }
 }