rtpdec_asf: fix memleak
Based on a suggestion by Ronald S. Bultje
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit a2b66a366d7d9d7dacc217601b5e4406624f91ea)
diff --git a/libavformat/rtpdec_asf.c b/libavformat/rtpdec_asf.c
index 384aeb2..643ea7a 100644
--- a/libavformat/rtpdec_asf.c
+++ b/libavformat/rtpdec_asf.c
@@ -233,10 +233,14 @@
int cur_len = start_off + len_off - off;
int prev_len = out_len;
+ void *newbuf;
out_len += cur_len;
- asf->buf = av_realloc(asf->buf, out_len);
- if(!asf->buf || FFMIN(cur_len, len - off)<0)
+ if(FFMIN(cur_len, len - off)<0)
return -1;
+ newbuf = av_realloc(asf->buf, out_len);
+ if(!newbuf)
+ return -1;
+ asf->buf= newbuf;
memcpy(asf->buf + prev_len, buf + off,
FFMIN(cur_len, len - off));
avio_skip(pb, cur_len);