diff options
Diffstat (limited to 'sys/netinet/in.c')
| -rw-r--r-- | sys/netinet/in.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet/in.c b/sys/netinet/in.c index d1fa710c892..5063357db80 100644 --- a/sys/netinet/in.c +++ b/sys/netinet/in.c @@ -1,4 +1,4 @@ -/* $OpenBSD: in.c,v 1.120 2015/07/08 07:56:51 mpi Exp $ */ +/* $OpenBSD: in.c,v 1.121 2015/08/24 14:00:29 bluhm Exp $ */ /* $NetBSD: in.c,v 1.26 1996/02/13 23:41:39 christos Exp $ */ /* @@ -809,7 +809,7 @@ in_addmulti(struct in_addr *ap, struct ifnet *ifp) * New address; allocate a new multicast record * and link it into the interface's multicast list. */ - inm = malloc(sizeof(*inm), M_IPMADDR, M_NOWAIT); + inm = malloc(sizeof(*inm), M_IPMADDR, M_NOWAIT | M_ZERO); if (inm == NULL) return (NULL); @@ -824,6 +824,7 @@ in_addmulti(struct in_addr *ap, struct ifnet *ifp) * Ask the network driver to update its multicast reception * filter appropriately for the new address. */ + memset(&ifr, 0, sizeof(ifr)); memcpy(&ifr.ifr_addr, &inm->inm_sin, sizeof(inm->inm_sin)); if ((*ifp->if_ioctl)(ifp, SIOCADDMULTI,(caddr_t)&ifr) != 0) { free(inm, M_IPMADDR, sizeof(*inm)); @@ -867,6 +868,7 @@ in_delmulti(struct in_multi *inm) * reception filter. */ if (ifp != NULL) { + memset(&ifr, 0, sizeof(ifr)); satosin(&ifr.ifr_addr)->sin_len = sizeof(struct sockaddr_in); satosin(&ifr.ifr_addr)->sin_family = AF_INET; |