avformat/libopenmpt: Check for avio_size() failure

Fixes CID1396850

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

diff --git a/libavformat/libopenmpt.c b/libavformat/libopenmpt.c
index 35fd28f5f4d36ff067db882c5f73b2a576f5c5a4..a7e385959a6f18a5d6ed8eb56c3737f1aeccc0bc 100644 (file)
--- a/libavformat/libopenmpt.c
+++ b/libavformat/libopenmpt.c
@@ -73,7 +73,7 @@ static int read_header_openmpt(AVFormatContext *s)
     AVStream *st;
     OpenMPTContext *openmpt = s->priv_data;
     int64_t size = avio_size(s->pb);
-    if (!size)
+    if (size <= 0)
         return AVERROR_INVALIDDATA;
     char *buf = av_malloc(size);
     int ret;