avfilter/af_adelay: do not crash if allocation of chandelay failed

bf5bdbdb · Paul B Mahol · 444cdb42 · bf5bdbdb
Commit bf5bdbdb authored Oct 18, 2018 by Paul B Mahol
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 3 deletions

af_adelay.c libavfilter/af_adelay.c +4 -3

No files found.
--- a/libavfilter/af_adelay.c
+++ b/libavfilter/af_adelay.c
@@ -249,10 +249,11 @@ static int request_frame(AVFilterLink *outlink)
 static av_cold void uninit(AVFilterContext *ctx)
 {
    AudioDelayContext *s = ctx->priv;
-    int i;

-    for (i = 0; i < s->nb_delays; i++)
-        av_freep(&s->chandelay[i].samples);
+    if (s->chandelay) {
+        for (int i = 0; i < s->nb_delays; i++)
+            av_freep(&s->chandelay[i].samples);
+    }
    av_freep(&s->chandelay);
 }