Check available size before writing in decode_frame()

[ffmpeg] / libavcodec / lzwenc.c

diff --git a/libavcodec/lzwenc.c b/libavcodec/lzwenc.c
index bc9c4beb3247b8777bd40a2862f0f770c102210c..3a24af34713111a7f7d264c1fdaec413524bd18b 100644 (file)
--- a/libavcodec/lzwenc.c
+++ b/libavcodec/lzwenc.c
@@ -183,7 +183,7 @@ static void clearTable(LZWEncodeState * s)
  * @return Number of bytes written
  */
 static int writtenBytes(LZWEncodeState *s){
-    int ret = (put_bits_count(&s->pb)) >> 3;
+    int ret = put_bits_count(&s->pb) >> 3;
     ret -= s->output_bytes;
     s->output_bytes += ret;
     return ret;