4xm: drop unnecessary check

data_size is always >= 0 in this case. CC: libav-stable@libav.org Bug-Id: CID 1238788
10 years ago · 0e1ebfebc8
parent 7c61e4b1a0
commit 0e1ebfebc8
1 changed files with 0 additions and 3 deletions
--- a/libavcodec/4xm.c
+++ b/libavcodec/4xm.c
@ -820,9 +820,6 @@ static int decode_frame(AVCodecContext *avctx, void *data,
        const int data_size  = buf_size - 20;
        CFrameBuffer *cfrm;

-        if (data_size < 0)
-            return AVERROR_INVALIDDATA;
-
        id         = AV_RL32(buf + 12);
        whole_size = AV_RL32(buf + 16);