[FFmpeg-cvslog] avformat/asfdec: Check the av_get_packet() return value

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Jan 17 20:39:43 2015 +0100| [ab161bfa4b3e4298581471a36ed41f84dfde27da] | committer: Michael Niedermayer

avformat/asfdec: Check the av_get_packet() return value

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ab161bfa4b3e4298581471a36ed41f84dfde27da
---

 libavformat/asfdec.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 79a255f..c7d03f0 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -791,12 +791,17 @@ static int asf_read_header(AVFormatContext *s)
             if (!s->keylen) {
                 if (!ff_guidcmp(&g, &ff_asf_content_encryption)) {
                     unsigned int len;
+                    int ret;
                     AVPacket pkt;
                     av_log(s, AV_LOG_WARNING,
                            "DRM protected stream detected, decoding will likely fail!\n");
                     len= avio_rl32(pb);
                     av_log(s, AV_LOG_DEBUG, "Secret data:\n");
-                    av_get_packet(pb, &pkt, len); av_hex_dump_log(s, AV_LOG_DEBUG, pkt.data, pkt.size); av_free_packet(&pkt);
+
+                    if ((ret = av_get_packet(pb, &pkt, len)) < 0)
+                        return ret;
+                    av_hex_dump_log(s, AV_LOG_DEBUG, pkt.data, pkt.size);
+                    av_free_packet(&pkt);
                     len= avio_rl32(pb);
                     get_tag(s, "ASF_Protection_Type", -1, len, 32);
                     len= avio_rl32(pb);