avcodec/snowdec: check av_frame_ref() return value

Fixes CID1135742 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 42874666a6
parent 11679e1b90
commit 42874666a6
1 changed files with 5 additions and 2 deletions
--- a/libavcodec/snowdec.c
+++ b/libavcodec/snowdec.c
@ -562,9 +562,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
    ff_snow_release_buffer(avctx);

    if(!(s->avctx->debug&2048))
-        av_frame_ref(picture, s->current_picture);
+        res = av_frame_ref(picture, s->current_picture);
    else
-        av_frame_ref(picture, s->mconly_picture);
+        res = av_frame_ref(picture, s->mconly_picture);
+
+    if (res < 0)
+        return res;

    *got_frame = 1;