From ebc3b627833c7c8c0566904020d760ebf00c736a Mon Sep 17 00:00:00 2001 From: goldsimon Date: Wed, 14 Feb 2018 15:12:30 +0100 Subject: [PATCH] rtp: check return value of setsockopt --- apps/rtp/rtp.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/apps/rtp/rtp.c b/apps/rtp/rtp.c index a60783e..abf631f 100644 --- a/apps/rtp/rtp.c +++ b/apps/rtp/rtp.c @@ -248,7 +248,10 @@ rtp_recv_thread(void *arg) if (bind(sock, (struct sockaddr *)&local, sizeof(local)) == 0) { /* set recv timeout */ timeout = RTP_RECV_TIMEOUT; - setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout)); + result = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout)); + if (result) { + LWIP_DEBUGF(RTP_DEBUG, ("rtp_recv_thread: setsockopt(SO_RCVTIMEO) failed: errno=%d\n", errno)); + } /* prepare multicast "ip_mreq" struct */ ipmreq.imr_multiaddr.s_addr = rtp_stream_address; @@ -281,7 +284,10 @@ rtp_recv_thread(void *arg) } /* leave multicast group */ - setsockopt(sock, IPPROTO_IP, IP_DROP_MEMBERSHIP, &ipmreq, sizeof(ipmreq)); + result = setsockopt(sock, IPPROTO_IP, IP_DROP_MEMBERSHIP, &ipmreq, sizeof(ipmreq)); + if (result) { + LWIP_DEBUGF(RTP_DEBUG, ("rtp_recv_thread: setsockopt(IP_DROP_MEMBERSHIP) failed: errno=%d\n", errno)); + } } }