[dvblast-devel] Fix setting of source specific multicast (SSM).

[Georgi Chorbadzhiyski]

dvblast | branch: master | Georgi Chorbadzhiyski <gf at unixsol.org> | Tue Nov 19 05:55:11 2013 +0200| [44fd61181d782fbb45c5f9686057afd394c46c5f] | committer: Georgi Chorbadzhiyski

Fix setting of source specific multicast (SSM).

It was reported that setting SSM address doesn't work. This
patch fixes it.

Reported-by: Kristian Pedersen <kristian.pedersen at vejen-net.dk>

> http://git.videolan.org/gitweb.cgi/dvblast.git/?a=commit;h=44fd61181d782fbb45c5f9686057afd394c46c5f
---

 udp.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/udp.c b/udp.c
index fd5a7e0..0811718 100644
--- a/udp.c
+++ b/udp.c
@@ -188,12 +188,11 @@ void udp_Open( void )
                 msg_Err( NULL, "IP_ADD_SOURCE_MEMBERSHIP is unsupported." );
 #else
                 /* Source-specific multicast */
-                struct sockaddr_in *p_src =
-                    (struct sockaddr_in *)&p_connect_ai->ai_addr;
+                struct sockaddr *p_src = p_connect_ai->ai_addr;
                 struct ip_mreq_source imr;
                 imr.imr_multiaddr = p_addr->sin_addr;
                 imr.imr_interface.s_addr = i_if_addr;
-                imr.imr_sourceaddr = p_src->sin_addr;
+                imr.imr_sourceaddr = ((struct sockaddr_in *)p_src)->sin_addr;
                 if ( i_if_index )
                     msg_Warn( NULL, "ignoring ifindex option in SSM" );