[FFmpeg-cvslog] avformat/rtsp: break on unknown protocols

[Michael Niedermayer]

ffmpeg | branch: release/4.3 | Michael Niedermayer <michael at niedermayer.cc> | Fri May 20 00:50:33 2022 +0200| [bb8e5b221f0797762dd31f961f6d7c0672eb9abd] | committer: Michael Niedermayer

avformat/rtsp: break on unknown protocols

This function needs more cleanup and it lacks error handling

Fixes: use of uninitialized memory
Fixes: CID700776

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 73c0fd27c5c53c42e5060fb3a0c1fc5708b6f670)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bb8e5b221f0797762dd31f961f6d7c0672eb9abd
---

 libavformat/rtsp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 5d8491b74b..973d6a5bb7 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -931,6 +931,8 @@ static void rtsp_parse_transport(AVFormatContext *s,
                              ";,", &p);
             }
             th->transport = RTSP_TRANSPORT_RAW;
+        } else {
+            break;
         }
         if (!av_strcasecmp(lower_transport, "TCP"))
             th->lower_transport = RTSP_LOWER_TRANSPORT_TCP;