X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdiscovery.c;fp=src%2Fdiscovery.c;h=4d05f7bc98e0373b4e2afc5685291c1025a639a4;hb=932ce5bb0058ad5e757bd83476e297404f1bcb8b;hp=948d786ed1af584797de1398a95ff6414d1118c3;hpb=31aaf60e9b10caedd9aaf2a22ce1af2d60c5bb9d;p=meshlink

diff --git a/src/discovery.c b/src/discovery.c
index 948d786e..4d05f7bc 100644
--- a/src/discovery.c
+++ b/src/discovery.c
@@ -121,6 +121,8 @@ static void send_mdns_packet_ipv4(meshlink_handle_t *mesh, int fd, int index, co
 		struct cmsghdr align;
 	} u;
 
+	memset(&u, 0, sizeof(u));
+
 	struct msghdr msg = {
 		.msg_name = (struct sockaddr *) &dest->sa,
 		.msg_namelen = SALEN(dest->sa),
@@ -130,7 +132,6 @@ static void send_mdns_packet_ipv4(meshlink_handle_t *mesh, int fd, int index, co
 		.msg_controllen = sizeof(u.buf),
 	};
 
-
 	struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg);
 	cmsg->cmsg_level = IPPROTO_IP;
 	cmsg->cmsg_type = IP_PKTINFO;