[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>

2 files changed, 10 insertions, 10 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 81253482891..75c3f7f4edd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4136,7 +4136,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 
 	/* Get out if there is nothing todo */
 	err = 0;
-	if (dev_net(dev) == net)
+	if (net_eq(dev_net(dev), net))
 		goto out;
 
 	/* Pick the destination device name, and ensure
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index de654ea8a94..857915a12c1 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -388,7 +388,7 @@ struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net,
 	hash_val = tbl->hash(pkey, NULL);
 	for (n = tbl->hash_buckets[hash_val & tbl->hash_mask]; n; n = n->next) {
 		if (!memcmp(n->primary_key, pkey, key_len) &&
-		    dev_net(n->dev) == net) {
+		    net_eq(dev_net(n->dev), net)) {
 			neigh_hold(n);
 			NEIGH_CACHE_STAT_INC(tbl, hits);
 			break;
@@ -483,7 +483,7 @@ struct pneigh_entry * pneigh_lookup(struct neigh_table *tbl,
 
 	for (n = tbl->phash_buckets[hash_val]; n; n = n->next) {
 		if (!memcmp(n->key, pkey, key_len) &&
-		    (pneigh_net(n) == net) &&
+		    net_eq(pneigh_net(n), net) &&
 		    (n->dev == dev || !n->dev)) {
 			read_unlock_bh(&tbl->lock);
 			goto out;
@@ -542,7 +542,7 @@ int pneigh_delete(struct neigh_table *tbl, struct net *net, const void *pkey,
 	for (np = &tbl->phash_buckets[hash_val]; (n = *np) != NULL;
 	     np = &n->next) {
 		if (!memcmp(n->key, pkey, key_len) && n->dev == dev &&
-		    (pneigh_net(n) == net)) {
+		    net_eq(pneigh_net(n), net)) {
 			*np = n->next;
 			write_unlock_bh(&tbl->lock);
 			if (tbl->pdestructor)
@@ -1286,7 +1286,7 @@ static inline struct neigh_parms *lookup_neigh_params(struct neigh_table *tbl,
 	struct neigh_parms *p;
 
 	for (p = &tbl->parms; p; p = p->next) {
-		if ((p->dev && p->dev->ifindex == ifindex && neigh_parms_net(p) == net) ||
+		if ((p->dev && p->dev->ifindex == ifindex && net_eq(neigh_parms_net(p), net)) ||
 		    (!p->dev && !ifindex))
 			return p;
 	}
@@ -1964,7 +1964,7 @@ static int neightbl_dump_info(struct sk_buff *skb, struct netlink_callback *cb)
 			break;
 
 		for (nidx = 0, p = tbl->parms.next; p; p = p->next) {
-			if (net != neigh_parms_net(p))
+			if (!net_eq(neigh_parms_net(p), net))
 				continue;
 
 			if (nidx++ < neigh_skip)
@@ -2161,7 +2161,7 @@ static struct neighbour *neigh_get_first(struct seq_file *seq)
 		n = tbl->hash_buckets[bucket];
 
 		while (n) {
-			if (dev_net(n->dev) != net)
+			if (!net_eq(dev_net(n->dev), net))
 				goto next;
 			if (state->neigh_sub_iter) {
 				loff_t fakep = 0;
@@ -2204,7 +2204,7 @@ static struct neighbour *neigh_get_next(struct seq_file *seq,
 
 	while (1) {
 		while (n) {
-			if (dev_net(n->dev) != net)
+			if (!net_eq(dev_net(n->dev), net))
 				goto next;
 			if (state->neigh_sub_iter) {
 				void *v = state->neigh_sub_iter(state, n, pos);
@@ -2260,7 +2260,7 @@ static struct pneigh_entry *pneigh_get_first(struct seq_file *seq)
 	state->flags |= NEIGH_SEQ_IS_PNEIGH;
 	for (bucket = 0; bucket <= PNEIGH_HASHMASK; bucket++) {
 		pn = tbl->phash_buckets[bucket];
-		while (pn && (pneigh_net(pn) != net))
+		while (pn && !net_eq(pneigh_net(pn), net))
 			pn = pn->next;
 		if (pn)
 			break;
@@ -2283,7 +2283,7 @@ static struct pneigh_entry *pneigh_get_next(struct seq_file *seq,
 		if (++state->bucket > PNEIGH_HASHMASK)
 			break;
 		pn = tbl->phash_buckets[state->bucket];
-		while (pn && (pneigh_net(pn) != net))
+		while (pn && !net_eq(pneigh_net(pn), net))
 			pn = pn->next;
 		if (pn)
 			break;