avcodec/prosumer: Only scan as many elements as matter in fill_elements()

[ffmpeg] / libavcodec / tiff.c

diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 1b332a754dccb71d390ab95b6472a3e1d89793dd..cfe0c2771471de05433f03b5facbd0da2467b070 100644 (file)
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -1403,6 +1403,8 @@ static av_cold int tiff_init(AVCodecContext *avctx)
     s->subsampling[1] = 1;
     s->avctx  = avctx;
     ff_lzw_decode_open(&s->lzw);
+    if (!s->lzw)
+        return AVERROR(ENOMEM);
     ff_ccitt_unpack_init();
 
     return 0;