diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h index d2a36fb9f92a..59f45b1e9dac 100644 --- a/include/net/netns/xfrm.h +++ b/include/net/netns/xfrm.h @@ -57,7 +57,7 @@ struct netns_xfrm { struct list_head inexact_bins; - struct sock __rcu *nlsk; + struct sock *nlsk; struct sock *nlsk_stash; u32 sysctl_aevent_etime; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 944589832343..8d4d52fd457b 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1071,22 +1071,6 @@ static inline int xfrm_nlmsg_multicast(struct net *net, struct sk_buff *skb, return nlmsg_multicast(nlsk, skb, pid, group, GFP_ATOMIC); } -/* A similar wrapper like xfrm_nlmsg_multicast checking that nlsk is still - * available. - */ -static inline int xfrm_nlmsg_unicast(struct net *net, struct sk_buff *skb, - u32 pid) -{ - struct sock *nlsk = rcu_dereference(net->xfrm.nlsk); - - if (!nlsk) { - kfree_skb(skb); - return -EPIPE; - } - - return nlmsg_unicast(nlsk, skb, pid); -} - static inline unsigned int xfrm_spdinfo_msgsize(void) { return NLMSG_ALIGN(4) @@ -1211,7 +1195,7 @@ static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh, err = build_spdinfo(r_skb, net, sportid, seq, *flags); BUG_ON(err < 0); - return xfrm_nlmsg_unicast(net, r_skb, sportid); + return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid); } static inline unsigned int xfrm_sadinfo_msgsize(void) @@ -1270,7 +1254,7 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh, err = build_sadinfo(r_skb, net, sportid, seq, *flags); BUG_ON(err < 0); - return xfrm_nlmsg_unicast(net, r_skb, sportid); + return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid); } static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -1290,7 +1274,7 @@ static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh, if (IS_ERR(resp_skb)) { err = PTR_ERR(resp_skb); } else { - err = xfrm_nlmsg_unicast(net, resp_skb, NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid); } xfrm_state_put(x); out_noput: @@ -1353,7 +1337,7 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh, goto out; } - err = xfrm_nlmsg_unicast(net, resp_skb, NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid); out: xfrm_state_put(x); @@ -1919,8 +1903,8 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, if (IS_ERR(resp_skb)) { err = PTR_ERR(resp_skb); } else { - err = xfrm_nlmsg_unicast(net, resp_skb, - NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, + NETLINK_CB(skb).portid); } } else { xfrm_audit_policy_delete(xp, err ? 0 : 1, true); @@ -2078,7 +2062,7 @@ static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh, err = build_aevent(r_skb, x, &c); BUG_ON(err < 0); - err = xfrm_nlmsg_unicast(net, r_skb, NETLINK_CB(skb).portid); + err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid); spin_unlock_bh(&x->lock); xfrm_state_put(x); return err;