diff options
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 9c297974d3a6..dcc07767e51f 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2229,13 +2229,12 @@ errdad: in6_ifa_put(ifp); } -/* Join to solicited addr multicast group. - * caller must hold RTNL */ +/* Join to solicited addr multicast group. */ void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) { struct in6_addr maddr; - if (dev->flags&(IFF_LOOPBACK|IFF_NOARP)) + if (READ_ONCE(dev->flags) & (IFF_LOOPBACK | IFF_NOARP)) return; addrconf_addr_solict_mult(addr, &maddr); @@ -3865,7 +3864,7 @@ static int addrconf_ifdown(struct net_device *dev, bool unregister) * Do not dev_put! */ if (unregister) { - idev->dead = 1; + WRITE_ONCE(idev->dead, 1); /* protected by rtnl_lock */ RCU_INIT_POINTER(dev->ip6_ptr, NULL); |