Avoid uninitialized data in lcldec when ofs is 0 in MSZH.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

1 files changed, 0 insertions, 3 deletions

diff --git a/libavutil/lzo.h b/libavutil/lzo.h
index 379c08c8c7..060b5c9d76 100644
--- a/libavutil/lzo.h
+++ b/libavutil/lzo.h
@@ -67,9 +67,6 @@ int av_lzo1x_decode(void *out, int *outlen, const void *in, int *inlen);
  *
  * cnt > back is valid, this will copy the bytes we just copied,
  * thus creating a repeating pattern with a period length of back.
- * Note that lcldec currently can set back == 0 - which is wrong and
- * makes no sense, but the code should at least avoid crashing or hanging
- * for this case.
  */
 void av_memcpy_backptr(uint8_t *dst, int back, int cnt);