avfilter/vf_ciescope: Free out AVFrame on error

Fixes memleak
Fixes part of CID1197065

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

diff --git a/libavfilter/vf_ciescope.c b/libavfilter/vf_ciescope.c
index 450c17b126697968cfd9531eed0e70340e401ba9..7c0cfed061af6bd5b26b40dc58d09c5d26181edf 100644 (file)
--- a/libavfilter/vf_ciescope.c
+++ b/libavfilter/vf_ciescope.c
@@ -1369,8 +1369,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
 
     if (!s->background) {
         ret = draw_background(ctx);
-        if (ret < 0)
+        if (ret < 0) {
+            av_frame_free(&out);
             return ret;
+        }
         s->background = 1;
     }
     for (y = 0; y < outlink->h; y++) {