iface: Close rtnl socket if address enumeration fails

Fix a resource leak by closing the socket if iface_rtnl_enumerate()
fails.

Discovered by the Coverity scanner CID 99694.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 2 insertions, 2 deletions

diff --git a/iface.c b/iface.c
index 4bc9b5e..9664a0c 100644
--- a/iface.c
+++ b/iface.c
@@ -355,9 +355,9 @@ int iface_run(void)
 
 	/* send RTM_GETADDR request to initially populate the interface list */
 	if (iface_rtnl_enumerate(sock, RTM_GETADDR, AF_INET) < 0)
-		return -1;
+		goto out;
 	if (iface_rtnl_enumerate(sock, RTM_GETADDR, AF_INET6) < 0)
-		return -1;
+		goto out;
 
 	while (iface_running) {
 		ssize_t recvlen;