[FFmpeg-cvslog] eatgq: fix small overread

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sun Oct 14 12:54:10 2012 +0000| [de3b1116dab12843b833e828bb219fb5673b0092] | committer: Paul B Mahol

eatgq: fix small overread

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=de3b1116dab12843b833e828bb219fb5673b0092
---

 libavcodec/eatgq.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/eatgq.c b/libavcodec/eatgq.c
index 5114b20..4de5c06 100644
--- a/libavcodec/eatgq.c
+++ b/libavcodec/eatgq.c
@@ -189,12 +189,13 @@ static int tgq_decode_frame(AVCodecContext *avctx,
     int buf_size = avpkt->size;
     TgqContext *s = avctx->priv_data;
     int x,y;
-    int big_endian = AV_RL32(&buf[4]) > 0x000FFFFF;
+    int big_endian;
 
     if (buf_size < 16) {
         av_log(avctx, AV_LOG_WARNING, "truncated header\n");
         return -1;
     }
+    big_endian = AV_RL32(&buf[4]) > 0x000FFFFF;
     bytestream2_init(&s->gb, buf + 8, buf_size - 8);
     if (big_endian) {
         s->width  = bytestream2_get_be16u(&s->gb);