Check return value from setsockopt().

coverity: 1449508, 1449522.

1 files changed, 4 insertions, 2 deletions

diff --git a/util.c b/util.c
index c976175..7938310 100644
--- a/util.c
+++ b/util.c
@@ -139,10 +139,12 @@ int bindtoaddr(struct addrinfo *addrinfo, int family, int reuse, int v6only) {
 	disable_DF_bit(s,res);
 
 	if (reuse)
-	    setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+	    if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1)
+                debugerrno(errno, DBG_WARN, "Failed to set SO_REUSEADDR");
 #ifdef IPV6_V6ONLY
 	if (v6only)
-	    setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
+	    if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) == -1)
+                debugerrno(errno, DBG_WARN, "Failed to set IPV6_V6ONLY");
 #endif
 	if (!bind(s, res->ai_addr, res->ai_addrlen))
 	    return s;