X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frtpenc_h264.c;h=b6c16e17d8aa5b42396060a0b8749e117804f890;hb=cd6a8618b1f57a37e6bc639651fe5a657663409b;hp=68f497590b014922d0e1211af66716b01e47f70d;hpb=329675cfd71fab29e47ea9c64f3560f0305dbf36;p=ffmpeg

diff --git a/libavformat/rtpenc_h264.c b/libavformat/rtpenc_h264.c
index 68f497590b0..b6c16e17d8a 100644
--- a/libavformat/rtpenc_h264.c
+++ b/libavformat/rtpenc_h264.c
@@ -31,14 +31,14 @@
 
 static const uint8_t *avc_mp4_find_startcode(const uint8_t *start, const uint8_t *end, int nal_length_size)
 {
-    int res = 0;
+    unsigned int res = 0;
 
     if (end - start < nal_length_size)
         return NULL;
     while (nal_length_size--)
         res = (res << 8) | *start++;
 
-    if (start + res > end || res < 0 || start + res < start)
+    if (res > end - start)
         return NULL;
 
     return start + res;