diff options
Diffstat (limited to 'libavcodec/png.c')
| -rw-r--r-- | libavcodec/png.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/png.c b/libavcodec/png.c index 079795ab9d..11faa866ae 100644 --- a/libavcodec/png.c +++ b/libavcodec/png.c @@ -501,12 +501,14 @@ static int decode_frame(AVCodecContext *avctx, if (ret != Z_OK) return -1; for(;;) { + int tag32; if (s->bytestream >= s->bytestream_end) goto fail; length = get32(&s->bytestream); if (length > 0x7fffffff) goto fail; - tag = bswap_32(get32(&s->bytestream)); + tag32 = get32(&s->bytestream); + tag = bswap_32(tag32); #ifdef DEBUG printf("png: tag=%c%c%c%c length=%u\n", (tag & 0xff), |