[NET] NETNS: Omit namespace comparision without CONFIG_NET_NS.

Introduce an inline net_eq() to compare two namespaces.
Without CONFIG_NET_NS, since no namespace other than &init_net
exists, it is always 1.

We do not need to convert 1) inline vs inline and
2) inline vs &init_net comparisons.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 1d16d95dfaaf..36f75d873898 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -228,7 +228,7 @@ static inline struct sock *netlink_lookup(struct net *net, int protocol,
         read_lock(&nl_table_lock);
         head = nl_pid_hashfn(hash, pid);
         sk_for_each(sk, node, head) {
-                if (sock_net(sk) == net && (nlk_sk(sk)->pid == pid)) {
+                if (net_eq(sock_net(sk), net) && (nlk_sk(sk)->pid == pid)) {
                         sock_hold(sk);
                         goto found;
                 }
@@ -348,7 +348,7 @@ static int netlink_insert(struct sock *sk, struct net *net, u32 pid)
         head = nl_pid_hashfn(hash, pid);
         len = 0;
         sk_for_each(osk, node, head) {
-                if (sock_net(osk) == net && (nlk_sk(osk)->pid == pid))
+                if (net_eq(sock_net(osk), net) && (nlk_sk(osk)->pid == pid))
                         break;
                 len++;
         }
@@ -532,7 +532,7 @@ retry:
         netlink_table_grab();
         head = nl_pid_hashfn(hash, pid);
         sk_for_each(osk, node, head) {
-                if (sock_net(osk) != net)
+                if (!net_eq(sock_net(osk), net))
                         continue;
                 if (nlk_sk(osk)->pid == pid) {
                         /* Bind collision, search negative pid values. */
@@ -962,7 +962,7 @@ static inline int do_one_broadcast(struct sock *sk,
             !test_bit(p->group - 1, nlk->groups))
                 goto out;
 
-        if (sock_net(sk) != p->net)
+        if (!net_eq(sock_net(sk), p->net))
                 goto out;
 
         if (p->failure) {