diff options
| -rw-r--r-- | libavfilter/avfiltergraph.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c index a149f8f..2fe4f0b 100644 --- a/libavfilter/avfiltergraph.c +++ b/libavfilter/avfiltergraph.c @@ -419,8 +419,10 @@ static int can_merge_formats(AVFilterFormats *a_arg, av_freep(&ret); return 1; } else { - av_freep(&a->formats); - av_freep(&b->formats); + if (a) + av_freep(&a->formats); + if (b) + av_freep(&b->formats); av_freep(&a); av_freep(&b); return 0; |
