avformat/apngdec: Use 64bit for ret to avoid overflow

Missed this hunk in first commit

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 80a851aa5e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-20 20:38:14 +01:00
parent 727730e279
commit 4ef32aa2a6
1 changed files with 2 additions and 1 deletions

View File

@ -150,7 +150,8 @@ static int apng_read_header(AVFormatContext *s)
AVIOContext *pb = s->pb;
uint32_t len, tag;
AVStream *st;
int ret = AVERROR_INVALIDDATA, acTL_found = 0;
int acTL_found = 0;
int64_t ret = AVERROR_INVALIDDATA;
/* verify PNGSIG */
if (avio_rb64(pb) != PNGSIG)