[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>

4 files changed, 9 insertions, 9 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index ac5d4f4b6312..5ab9973571ef 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1217,7 +1217,7 @@ int ipv6_chk_addr(struct net *net, struct in6_addr *addr,
 
         read_lock_bh(&addrconf_hash_lock);
         for(ifp = inet6_addr_lst[hash]; ifp; ifp=ifp->lst_next) {
-                if (dev_net(ifp->idev->dev) != net)
+                if (!net_eq(dev_net(ifp->idev->dev), net))
                         continue;
                 if (ipv6_addr_equal(&ifp->addr, addr) &&
                     !(ifp->flags&IFA_F_TENTATIVE)) {
@@ -1239,7 +1239,7 @@ int ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr,
         u8 hash = ipv6_addr_hash(addr);
 
         for(ifp = inet6_addr_lst[hash]; ifp; ifp=ifp->lst_next) {
-                if (dev_net(ifp->idev->dev) != net)
+                if (!net_eq(dev_net(ifp->idev->dev), net))
                         continue;
                 if (ipv6_addr_equal(&ifp->addr, addr)) {
                         if (dev == NULL || ifp->idev->dev == dev)
@@ -1257,7 +1257,7 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, struct in6_addr *addr,
 
         read_lock_bh(&addrconf_hash_lock);
         for(ifp = inet6_addr_lst[hash]; ifp; ifp=ifp->lst_next) {
-                if (dev_net(ifp->idev->dev) != net)
+                if (!net_eq(dev_net(ifp->idev->dev), net))
                         continue;
                 if (ipv6_addr_equal(&ifp->addr, addr)) {
                         if (dev == NULL || ifp->idev->dev == dev ||
@@ -2771,7 +2771,7 @@ static struct inet6_ifaddr *if6_get_first(struct seq_file *seq)
         for (state->bucket = 0; state->bucket < IN6_ADDR_HSIZE; ++state->bucket) {
                 ifa = inet6_addr_lst[state->bucket];
 
-                while (ifa && dev_net(ifa->idev->dev) != net)
+                while (ifa && !net_eq(dev_net(ifa->idev->dev), net))
                         ifa = ifa->lst_next;
                 if (ifa)
                         break;
@@ -2787,7 +2787,7 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq, struct inet6_ifad
         ifa = ifa->lst_next;
 try_again:
         if (ifa) {
-                if (dev_net(ifa->idev->dev) != net) {
+                if (!net_eq(dev_net(ifa->idev->dev), net)) {
                         ifa = ifa->lst_next;
                         goto try_again;
                 }
@@ -2905,7 +2905,7 @@ int ipv6_chk_home_addr(struct net *net, struct in6_addr *addr)
         u8 hash = ipv6_addr_hash(addr);
         read_lock_bh(&addrconf_hash_lock);
         for (ifp = inet6_addr_lst[hash]; ifp; ifp = ifp->lst_next) {
-                if (dev_net(ifp->idev->dev) != net)
+                if (!net_eq(dev_net(ifp->idev->dev), net))
                         continue;
                 if (ipv6_addr_cmp(&ifp->addr, addr) == 0 &&
                     (ifp->flags & IFA_F_HOMEADDRESS)) {
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 21c467675412..340c7d42b83a 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -105,7 +105,7 @@ struct sock *inet6_lookup_listener(struct net *net,
 
         read_lock(&hashinfo->lhash_lock);
         sk_for_each(sk, node, &hashinfo->listening_hash[inet_lhashfn(hnum)]) {
-                if (sock_net(sk) == net && inet_sk(sk)->num == hnum &&
+                if (net_eq(sock_net(sk), net) && inet_sk(sk)->num == hnum &&
                                 sk->sk_family == PF_INET6) {
                         const struct ipv6_pinfo *np = inet6_sk(sk);
 
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 12c7a1560977..830da4603697 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -76,7 +76,7 @@ static struct sock *__raw_v6_lookup(struct net *net, struct sock *sk,
                 if (inet_sk(sk)->num == num) {
                         struct ipv6_pinfo *np = inet6_sk(sk);
 
-                        if (sock_net(sk) != net)
+                        if (!net_eq(sock_net(sk), net))
                                 continue;
 
                         if (!ipv6_addr_any(&np->daddr) &&
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index db266ff297e5..aacbc82ecf0f 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -70,7 +70,7 @@ static struct sock *__udp6_lib_lookup(struct net *net,
         sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
                 struct inet_sock *inet = inet_sk(sk);
 
-                if (sock_net(sk) == net && sk->sk_hash == hnum &&
+                if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
                                 sk->sk_family == PF_INET6) {
                         struct ipv6_pinfo *np = inet6_sk(sk);
                         int score = 0;