[FFmpeg-devel] [PATCH] libavfilter/qsvvpp: Add av_frame_free() to avoid potential memory leak

[Jiasheng Jiang]

Add av_frame_free() in the error paths to avoid potential memory leak.

Fixes: a5a6ac1a12 ("libavfilter/overlay_qsv: Add QSV overlay vpp filter")
Signed-off-by: Jiasheng Jiang <jiashengjiangc...@gmail.com>
---
 libavfilter/qsvvpp.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
index c3685f126c..5d7fbb7f21 100644
--- a/libavfilter/qsvvpp.c
+++ b/libavfilter/qsvvpp.c
@@ -494,6 +494,7 @@ static QSVFrame *query_frame(QSVVPPContext *s, AVFilterLink 
*outlink, const AVFr
 
         ret = av_hwframe_get_buffer(l->hw_frames_ctx, out_frame->frame, 0);
         if (ret < 0) {
+            av_frame_free(&out_frame->frame);
             av_log(ctx, AV_LOG_ERROR, "Can't allocate a surface.\n");
             return NULL;
         }
@@ -505,13 +506,17 @@ static QSVFrame *query_frame(QSVVPPContext *s, 
AVFilterLink *outlink, const AVFr
         out_frame->frame = ff_get_video_buffer(outlink,
                                                FFALIGN(outlink->w, 128),
                                                FFALIGN(outlink->h, 64));
-        if (!out_frame->frame)
+        if (!out_frame->frame) {
+            av_frame_free(&out_frame->frame);
             return NULL;
+        }
 
         ret = map_frame_to_surface(out_frame->frame,
                                    &out_frame->surface);
-        if (ret < 0)
+        if (ret < 0) {
+            av_frame_free(&out_frame->frame);
             return NULL;
+        }
     }
 
     if (propref) {
-- 
2.25.1

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