get_byte may not return -1 on error, since it can lead to a negative backptr.

Originally committed as revision 4854 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/lzo.c b/libavcodec/lzo.c
index 46166a11336aca042b7fe18a470555ce858789fb..ab7766b57523db93017c2eea74340a6e9068e94f 100644 (file)
--- a/libavcodec/lzo.c
+++ b/libavcodec/lzo.c
@@ -34,7 +34,7 @@ static inline int get_byte(LZOContext *c) {
     if (c->in < c->in_end)
         return *c->in++;
     c->error |= LZO_INPUT_DEPLETED;
-    return -1;
+    return 0;
 }
 
 /**