diff options
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index dc73888c7859..6a576ff92c39 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -478,7 +478,7 @@ static struct inet6_dev *ipv6_find_idev(struct net_device *dev) if (!idev) { idev = ipv6_add_dev(dev); if (IS_ERR(idev)) - return NULL; + return idev; } if (dev->flags&IFF_UP) @@ -1045,7 +1045,8 @@ ipv6_add_addr(struct inet6_dev *idev, struct ifa6_config *cfg, int err = 0; if (addr_type == IPV6_ADDR_ANY || - addr_type & IPV6_ADDR_MULTICAST || + (addr_type & IPV6_ADDR_MULTICAST && + !(cfg->ifa_flags & IFA_F_MCAUTOJOIN)) || (!(idev->dev->flags & IFF_LOOPBACK) && !netif_is_l3_master(idev->dev) && addr_type & IPV6_ADDR_LOOPBACK)) @@ -2465,8 +2466,8 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev) ASSERT_RTNL(); idev = ipv6_find_idev(dev); - if (!idev) - return ERR_PTR(-ENOBUFS); + if (IS_ERR(idev)) + return idev; if (idev->cnf.disable_ipv6) return ERR_PTR(-EACCES); @@ -3158,7 +3159,7 @@ static void init_loopback(struct net_device *dev) ASSERT_RTNL(); idev = ipv6_find_idev(dev); - if (!idev) { + if (IS_ERR(idev)) { pr_debug("%s: add_dev failed\n", __func__); return; } @@ -3373,7 +3374,7 @@ static void addrconf_sit_config(struct net_device *dev) */ idev = ipv6_find_idev(dev); - if (!idev) { + if (IS_ERR(idev)) { pr_debug("%s: add_dev failed\n", __func__); return; } @@ -3398,7 +3399,7 @@ static void addrconf_gre_config(struct net_device *dev) ASSERT_RTNL(); idev = ipv6_find_idev(dev); - if (!idev) { + if (IS_ERR(idev)) { pr_debug("%s: add_dev failed\n", __func__); return; } @@ -4772,8 +4773,8 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, IFA_F_MCAUTOJOIN | IFA_F_OPTIMISTIC; idev = ipv6_find_idev(dev); - if (!idev) - return -ENOBUFS; + if (IS_ERR(idev)) + return PTR_ERR(idev); if (!ipv6_allow_optimistic_dad(net, idev)) cfg.ifa_flags &= ~IFA_F_OPTIMISTIC; |