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lavc/subviewerdec: fix potential NULL deref.

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Fixes CID966647
This commit is contained in:
Clément Bœsch 2013-01-06 04:01:11 +01:00
parent 3d0994be2f
commit 2e7744a6a2
1 changed files with 1 additions and 1 deletions
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2
libavcodec/subviewerdec.c
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@ -56,7 +56,7 @@ static int subviewer_decode_frame(AVCodecContext *avctx,
AVBPrint buf;
/* To be removed later */
if (sscanf(ptr, "%*u:%*u:%*u.%*u,%*u:%*u:%*u.%*u%c", &c) == 1) {
if (ptr && sscanf(ptr, "%*u:%*u:%*u.%*u,%*u:%*u:%*u.%*u%c", &c) == 1) {
av_log(avctx, AV_LOG_ERROR, "AVPacket is not clean (contains timing "
"information). You need to upgrade your libavformat or "
"sanitize your packet.\n");