nuv: check size of buffer before accessing it instead of after.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
13 years ago · e1bc0171c0
parent 1f68be4764
commit e1bc0171c0
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@ -164,7 +164,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
        return orig_size;
    }

-    if (buf[0] != 'V' || buf_size < 12) {
+    if (buf_size < 12 || buf[0] != 'V') {
        av_log(avctx, AV_LOG_ERROR, "not a nuv video frame\n");
        return -1;
    }