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avcodec/g2meet: check framebuf has been allocated before use 

Fixes null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-09 02:29:35 +02:00
parent c153ea4756
commit 6d3bcbb211
1 changed files with 1 additions and 1 deletions
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2
libavcodec/g2meet.c
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@ -759,7 +759,7 @@ static int g2m_decode_frame(AVCodecContext *avctx, void *data,
if (got_header)
c->got_header = 1;
if (c->width && c->height) {
if (c->width && c->height && c->framebuf) {
if ((ret = ff_get_buffer(avctx, pic, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;