[FFmpeg-cvslog] lavf/udp: do not return an uninitialized value from udp_open()
Anton Khirnov
git at videolan.org
Tue Jan 11 10:12:58 EET 2022
ffmpeg | branch: release/5.0 | Anton Khirnov <anton at khirnov.net> | Mon Jan 10 17:41:02 2022 +0100| [92c57aece4db7997befc910ce458ff501d8cc5ca] | committer: Anton Khirnov
lavf/udp: do not return an uninitialized value from udp_open()
(cherry picked from commit 3c2b67446875f925909fa33d8ee14264e11c293d)
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=92c57aece4db7997befc910ce458ff501d8cc5ca
---
libavformat/udp.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavformat/udp.c b/libavformat/udp.c
index b8b0e19609..180d96a988 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -739,8 +739,10 @@ static int udp_open(URLContext *h, const char *uri, int flags)
/* XXX: fix av_url_split */
if (hostname[0] == '\0' || hostname[0] == '?') {
/* only accepts null hostname if input */
- if (!(flags & AVIO_FLAG_READ))
+ if (!(flags & AVIO_FLAG_READ)) {
+ ret = AVERROR(EINVAL);
goto fail;
+ }
} else {
if ((ret = ff_udp_set_remote_url(h, uri)) < 0)
goto fail;
@@ -750,8 +752,10 @@ static int udp_open(URLContext *h, const char *uri, int flags)
s->local_port = port;
udp_fd = udp_socket_create(h, &my_addr, &len, s->localaddr);
- if (udp_fd < 0)
+ if (udp_fd < 0) {
+ ret = AVERROR(EIO);
goto fail;
+ }
s->local_addr_storage=my_addr; //store for future multicast join
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