Module: libav
Branch: master
Commit: 0989d3ad1fbd7509815208b0a5792918492d2a68

Author:    Alexandra Hájková <[email protected]>
Committer: Anton Khirnov <[email protected]>
Date:      Fri Jul 17 14:17:05 2015 +0200

asfdec: convert condition for the replicated data reading to be safer

Signed-off-by: Anton Khirnov <[email protected]>

---

 libavformat/asfdec.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 371d480..bb08357 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -1133,7 +1133,7 @@ static int asf_read_multiple_payload(AVFormatContext *s, 
AVPacket *pkt,
             } else
                 avio_skip(pb, 4); // reading of media object size is already 
done
             asf_pkt->dts = avio_rl32(pb); // read presentation time
-            if (asf->rep_data_len && ((asf->rep_data_len - 8) > 0))
+            if (asf->rep_data_len && (asf->rep_data_len >= 8))
                 avio_skip(pb, asf->rep_data_len - 8); // skip replicated data
         }
         pay_len = avio_rl16(pb); // payload length should be WORD
@@ -1183,7 +1183,7 @@ static int asf_read_single_payload(AVFormatContext *s, 
AVPacket *pkt,
     } else
         avio_skip(pb, 4); // skip media object size
     asf_pkt->dts = avio_rl32(pb); // read presentation time
-    if ((asf->rep_data_len - 8) > 0)
+    if (asf->rep_data_len >= 8)
         avio_skip(pb, asf->rep_data_len - 8); // skip replicated data
     offset = avio_tell(pb);
 

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