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

Missed this hunk in first commit Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 80a851aa5e
parent 12987f8900
commit 80a851aa5e
1 changed files with 2 additions and 1 deletions
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@ -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)