lavfi/anequalizer: fix memory leak in error handling path

free the pad.name in error handling path to avoid memory leak.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>

diff --git a/libavfilter/af_anequalizer.c b/libavfilter/af_anequalizer.c
index 03d939f170d17ed21b4d297f1eedee63ef87e1c1..ee82474083e57a54eec0476c8c0cefbc91e02263 100644 (file)
--- a/libavfilter/af_anequalizer.c
+++ b/libavfilter/af_anequalizer.c
@@ -205,8 +205,10 @@ static av_cold int init(AVFilterContext *ctx)
             .type         = AVMEDIA_TYPE_VIDEO,
             .config_props = config_video,
         };
-        if (!vpad.name)
+        if (!vpad.name) {
+            av_freep(&pad.name);
             return AVERROR(ENOMEM);
+        }
     }
 
     ret = ff_insert_outpad(ctx, 0, &pad);