avcodec/decode: actually propagate AVHWAccel.alloc_frame() return value

Finishes fixing the regression introduced in a1133db30ef07896afd96f067e5c51531a4e85ab
after the partial fix in b6d6597bef66531ec07c07a7125b88aee38fb220.

Signed-off-by: James Almer <jamrial@gmail.com>

diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index eed89a89a708abbbfb83ec5aaa7a173f9dc76bac..a4e50c0d03189488b323c1ff94c736d59d0be949 100644 (file)
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -1911,10 +1911,12 @@ end:
         frame->height = avctx->height;
     }
 
-    return 0;
 fail:
-    av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
-    av_frame_unref(frame);
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+        av_frame_unref(frame);
+    }
+
     return ret;
 }