---
libavcodec/pngdec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index b1e77e5..3905e0f 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -1237,8 +1237,12 @@ static av_cold int png_dec_init(AVCodecContext *avctx)
s->previous_picture.f = av_frame_alloc();
s->last_picture.f = av_frame_alloc();
s->picture.f = av_frame_alloc();
- if (!s->previous_picture.f || !s->last_picture.f || !s->picture.f)
+ if (!s->previous_picture.f || !s->last_picture.f || !s->picture.f) {
+ av_frame_free(&s->previous_picture.f);
+ av_frame_free(&s->last_picture.f);
+ av_frame_free(&s->picture.f);
return AVERROR(ENOMEM);
+ }
if (!avctx->internal->is_copy) {
avctx->internal->allocate_progress = 1;
--
2.2.0
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