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| author | Linus Walleij <linus.walleij@linaro.org> | 2020-05-27 17:15:52 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-05-27 17:15:52 +0300 |
| commit | ce1d966a302229a88bcb4398a5ca76d657b06848 (patch) | |
| tree | 812671d666fef8b5a955087cff5dc7b3cd555a35 /net/ipv4/devinet.c | |
| parent | f8af9113b1cf71cd21b0a027d38b06c15989c789 (diff) | |
| parent | 9cb1fd0efd195590b828b9b865421ad345a4a145 (diff) | |
| download | linux-ce1d966a302229a88bcb4398a5ca76d657b06848.tar.xz | |
Merge tag 'v5.7-rc7' into devel
Linux 5.7-rc7
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 30fa42f5997d..c0dd561aa190 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -614,12 +614,15 @@ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, return NULL; } -static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa) +static int ip_mc_autojoin_config(struct net *net, bool join, + const struct in_ifaddr *ifa) { +#if defined(CONFIG_IP_MULTICAST) struct ip_mreqn mreq = { .imr_multiaddr.s_addr = ifa->ifa_address, .imr_ifindex = ifa->ifa_dev->dev->ifindex, }; + struct sock *sk = net->ipv4.mc_autojoin_sk; int ret; ASSERT_RTNL(); @@ -632,6 +635,9 @@ static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa) release_sock(sk); return ret; +#else + return -EOPNOTSUPP; +#endif } static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -675,7 +681,7 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, continue; if (ipv4_is_multicast(ifa->ifa_address)) - ip_mc_config(net->ipv4.mc_autojoin_sk, false, ifa); + ip_mc_autojoin_config(net, false, ifa); __inet_del_ifa(in_dev, ifap, 1, nlh, NETLINK_CB(skb).portid); return 0; } @@ -940,8 +946,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, */ set_ifa_lifetime(ifa, valid_lft, prefered_lft); if (ifa->ifa_flags & IFA_F_MCAUTOJOIN) { - int ret = ip_mc_config(net->ipv4.mc_autojoin_sk, - true, ifa); + int ret = ip_mc_autojoin_config(net, true, ifa); if (ret < 0) { inet_free_ifa(ifa); |