avcodec/shorten: More complete pred_order check

Fixes CID1239055 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 294469416d
parent 2d15588124
commit 294469416d
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/shorten.c
+++ b/libavcodec/shorten.c
@ -277,7 +277,7 @@ static int decode_subframe_lpc(ShortenContext *s, int command, int channel,
    if (command == FN_QLPC) {
        /* read/validate prediction order */
        pred_order = get_ur_golomb_shorten(&s->gb, LPCQSIZE);
-        if (pred_order > s->nwrap) {
+        if ((unsigned)pred_order > s->nwrap) {
            av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\n",
                   pred_order);
            return AVERROR(EINVAL);