X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Ffaxcompr.c;h=44d27219ff45627b9e6cd355e630aaee9a555538;hb=575ed4fe37fdb1558fbbc261661b6239d47bcd8c;hp=155f78da66b282cf6d59ad71dfb82092104fae0a;hpb=be023405a7cdbdd6b5d163de8beb1968ee4ef52e;p=ffmpeg

diff --git a/libavcodec/faxcompr.c b/libavcodec/faxcompr.c
index 155f78da66b..44d27219ff4 100644
--- a/libavcodec/faxcompr.c
+++ b/libavcodec/faxcompr.c
@@ -296,7 +296,8 @@ int ff_ccitt_unpack(AVCodecContext *avctx, const uint8_t *src, int srcsize,
     ref[0] = avctx->width;
     ref[1] = 0;
     ref[2] = 0;
-    init_get_bits(&gb, src, srcsize * 8);
+    if ((ret = init_get_bits8(&gb, src, srcsize)) < 0)
+        return ret;
     has_eol = show_bits(&gb, 12) == 1 || show_bits(&gb, 16) == 1;
 
     for (j = 0; j < height; j++) {