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-rw-r--r--sys/kern/kern_uuid.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/kern_uuid.c b/sys/kern/kern_uuid.c
index 16105e9cee52..eec37efe14f9 100644
--- a/sys/kern/kern_uuid.c
+++ b/sys/kern/kern_uuid.c
@@ -101,16 +101,19 @@ uuid_node(uint16_t *node)
IFNET_RLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
/* Walk the address list */
+ IF_ADDR_LOCK(ifp);
TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
sdl = (struct sockaddr_dl*)ifa->ifa_addr;
if (sdl != NULL && sdl->sdl_family == AF_LINK &&
sdl->sdl_type == IFT_ETHER) {
/* Got a MAC address. */
bcopy(LLADDR(sdl), node, UUID_NODE_LEN);
+ IF_ADDR_UNLOCK(ifp);
IFNET_RUNLOCK();
return;
}
}
+ IF_ADDR_UNLOCK(ifp);
}
IFNET_RUNLOCK();