netns: Use net_eq() to compare net-namespaces for optimization.
Without CONFIG_NET_NS, namespace is always &init_net.
Compiler will be able to omit namespace comparisons with this patch.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index 25aa37c..b25c1e9 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -333,7 +333,7 @@
struct net_device *dev = ptr;
int ct;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event == NETDEV_DOWN) {
@@ -716,7 +716,7 @@
struct atalk_addr sa, *ma, da;
struct atalk_iface *ifa;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto out0;
/* We only do Ethernet SNAP AARP. */
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 44cd42f..07b5b82 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -648,7 +648,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event == NETDEV_DOWN)
@@ -1405,7 +1405,7 @@
int origlen;
__u16 len_hops;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto freeit;
/* Don't mangle buffer if shared */
@@ -1493,7 +1493,7 @@
static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto freeit;
/* Expand any short form frames */
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 6f8223e..5b5b963 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -612,7 +612,7 @@
{
struct net_device *dev = arg;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event == NETDEV_UNREGISTER) {
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 9db332e..4fccaa1 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -964,7 +964,7 @@
dev = (struct net_device *)dev_ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->name == NULL || strncmp(dev->name, "lec", 3))
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 97eaa23..01c83e2 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -116,7 +116,7 @@
{
struct net_device *dev = (struct net_device *)ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* Reject non AX.25 devices */
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 33790a8..4a5ba97 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -451,7 +451,7 @@
skb->sk = NULL; /* Initially we don't know who it's for */
skb->destructor = NULL; /* Who initializes this, dammit?! */
- if (dev_net(dev) != &init_net) {
+ if (!net_eq(dev_net(dev), &init_net)) {
kfree_skb(skb);
return 0;
}
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 88d8ec7b..76340bd 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -35,7 +35,7 @@
struct net_bridge_port *p = dev->br_port;
struct net_bridge *br;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* not a port of a bridge */
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 9964761..8b200f9 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -140,7 +140,7 @@
struct net_bridge *br;
const unsigned char *buf;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto err;
if (!p)
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 484bbf6..8035fbf 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -615,7 +615,7 @@
struct can_frame *cf = (struct can_frame *)skb->data;
int matches;
- if (dev->type != ARPHRD_CAN || dev_net(dev) != &init_net) {
+ if (dev->type != ARPHRD_CAN || !net_eq(dev_net(dev), &init_net)) {
kfree_skb(skb);
return 0;
}
@@ -728,7 +728,7 @@
struct net_device *dev = (struct net_device *)data;
struct dev_rcv_lists *d;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 72c2ce9..d0dd382 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1303,7 +1303,7 @@
struct bcm_op *op;
int notify_enodev = 0;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)
diff --git a/net/can/raw.c b/net/can/raw.c
index 3e46ee3..6e0663f 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -210,7 +210,7 @@
struct raw_sock *ro = container_of(nb, struct raw_sock, notifier);
struct sock *sk = &ro->sk;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type != ARPHRD_CAN)
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 906802d..c7d484f 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1875,7 +1875,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* It is OK that we do not hold the group lock right now,
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 61b7df5..3c23ab3 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2089,7 +2089,7 @@
{
struct net_device *dev = (struct net_device *)ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
switch(event) {
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index f50e88b..821bd1c 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -580,7 +580,7 @@
struct dn_dev *dn = (struct dn_dev *)dev->dn_ptr;
unsigned char padlen = 0;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto dump_it;
if (dn == NULL)
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index d35127b..8789d2b 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -1062,7 +1062,7 @@
struct sock *sk;
struct ec_device *edev = dev->ec_ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
if (skb->pkt_type == PACKET_OTHERHOST)
@@ -1119,7 +1119,7 @@
struct net_device *dev = (struct net_device *)data;
struct ec_device *edev;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
switch (msg) {
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 68e84a9..6203ece 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1196,7 +1196,7 @@
ASSERT_RTNL();
- if (dev_net(in_dev->dev) != &init_net)
+ if (!net_eq(dev_net(in_dev->dev), &init_net))
return;
for (im=in_dev->mc_list; im; im=im->next) {
@@ -1278,7 +1278,7 @@
ASSERT_RTNL();
- if (dev_net(in_dev->dev) != &init_net)
+ if (!net_eq(dev_net(in_dev->dev), &init_net))
return;
for (ip=&in_dev->mc_list; (i=*ip)!=NULL; ip=&i->next) {
@@ -1308,7 +1308,7 @@
ASSERT_RTNL();
- if (dev_net(in_dev->dev) != &init_net)
+ if (!net_eq(dev_net(in_dev->dev), &init_net))
return;
for (i=in_dev->mc_list; i; i=i->next)
@@ -1331,7 +1331,7 @@
{
ASSERT_RTNL();
- if (dev_net(in_dev->dev) != &init_net)
+ if (!net_eq(dev_net(in_dev->dev), &init_net))
return;
in_dev->mc_tomb = NULL;
@@ -1357,7 +1357,7 @@
ASSERT_RTNL();
- if (dev_net(in_dev->dev) != &init_net)
+ if (!net_eq(dev_net(in_dev->dev), &init_net))
return;
ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);
@@ -1376,7 +1376,7 @@
ASSERT_RTNL();
- if (dev_net(in_dev->dev) != &init_net)
+ if (!net_eq(dev_net(in_dev->dev), &init_net))
return;
/* Deactivate timers */
@@ -1760,7 +1760,7 @@
if (!ipv4_is_multicast(addr))
return -EINVAL;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -EPROTONOSUPPORT;
rtnl_lock();
@@ -1831,7 +1831,7 @@
u32 ifindex;
int ret = -EADDRNOTAVAIL;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -EPROTONOSUPPORT;
rtnl_lock();
@@ -1879,7 +1879,7 @@
if (!ipv4_is_multicast(addr))
return -EINVAL;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -EPROTONOSUPPORT;
rtnl_lock();
@@ -2015,7 +2015,7 @@
msf->imsf_fmode != MCAST_EXCLUDE)
return -EINVAL;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -EPROTONOSUPPORT;
rtnl_lock();
@@ -2098,7 +2098,7 @@
if (!ipv4_is_multicast(addr))
return -EINVAL;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -EPROTONOSUPPORT;
rtnl_lock();
@@ -2163,7 +2163,7 @@
if (!ipv4_is_multicast(addr))
return -EINVAL;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -EPROTONOSUPPORT;
rtnl_lock();
@@ -2250,7 +2250,7 @@
if (inet->mc_list == NULL)
return;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return;
rtnl_lock();
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index b88aa9a..42065ff 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -432,7 +432,7 @@
unsigned char *sha, *tha; /* s for "source", t for "target" */
struct ic_device *d;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
@@ -852,7 +852,7 @@
struct ic_device *d;
int len, ext_len;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
/* Perform verifications before taking the lock. */
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 033c712..c519b8d 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1124,7 +1124,7 @@
struct vif_device *v;
int ct;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event != NETDEV_UNREGISTER)
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index aa33a4a..432ce9d 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -477,7 +477,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* Drop any packets associated with the downed device */
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 84c26dd..0841aef 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -120,7 +120,7 @@
{
const struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event == NETDEV_DOWN) {
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 0b41aa2..095bc45 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -935,7 +935,7 @@
struct mif_device *v;
int ct;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event != NETDEV_UNREGISTER)
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 1b8815f..5859c04 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -480,7 +480,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* Drop any packets associated with the downed device */
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 70940b3..f82f607 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -214,7 +214,7 @@
if (!idev || !idev->dev)
return -EINVAL;
- if (dev_net(idev->dev) != &init_net)
+ if (!net_eq(dev_net(idev->dev), &init_net))
return 0;
if (!proc_net_devsnmp6)
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 81ae873..b6e70f9 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -335,7 +335,7 @@
struct net_device *dev = ptr;
struct ipx_interface *i, *tmp;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event != NETDEV_DOWN && event != NETDEV_UP)
@@ -1636,7 +1636,7 @@
u16 ipx_pktsize;
int rc = 0;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
/* Not ours */
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 9089453..f17b65a 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -1326,7 +1326,7 @@
int command;
__u8 control;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto out;
/* FIXME: should we get our own field? */
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index 1c45f17..57ad974 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -150,7 +150,7 @@
int (*rcv)(struct sk_buff *, struct net_device *,
struct packet_type *, struct net_device *);
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
/*
diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c
index 69d699f..0148968 100644
--- a/net/netfilter/nf_sockopt.c
+++ b/net/netfilter/nf_sockopt.c
@@ -65,7 +65,7 @@
{
struct nf_sockopt_ops *ops;
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return ERR_PTR(-ENOPROTOOPT);
if (mutex_lock_interruptible(&nf_sockopt_mutex) != 0)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 04e9c96..8c86011 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -555,7 +555,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* Drop any packets associated with the downed device */
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 56f8087..921c118 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -954,7 +954,7 @@
struct net_device *dev = ptr;
struct netlbl_unlhsh_iface *iface = NULL;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* XXX - should this be a check for NETDEV_DOWN or _UNREGISTER? */
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index d41be0d..fccc250 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -118,7 +118,7 @@
{
struct net_device *dev = (struct net_device *)ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event != NETDEV_DOWN)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index de73bcb..d56cae1 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1677,7 +1677,7 @@
case SIOCGIFDSTADDR:
case SIOCSIFDSTADDR:
case SIOCSIFFLAGS:
- if (sock_net(sk) != &init_net)
+ if (!net_eq(sock_net(sk), &init_net))
return -ENOIOCTLCMD;
return inet_dgram_ops.ioctl(sock, cmd, arg);
#endif
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index f3a691f..dbc963b 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -209,7 +209,7 @@
{
struct net_device *dev = (struct net_device *)ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (event != NETDEV_DOWN)
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index ed9acff..a6e0818 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -668,7 +668,7 @@
struct sctp_sockaddr_entry *temp;
int found = 0;
- if (dev_net(ifa->ifa_dev->dev) != &init_net)
+ if (!net_eq(dev_net(ifa->ifa_dev->dev), &init_net))
return NOTIFY_DONE;
switch (ev) {
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index bc72fbc..fe43ef7 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -101,7 +101,7 @@
struct eth_bearer *eb_ptr = (struct eth_bearer *)pt->af_packet_priv;
u32 size;
- if (dev_net(dev) != &init_net) {
+ if (!net_eq(dev_net(dev), &init_net)) {
kfree_skb(buf);
return 0;
}
@@ -198,7 +198,7 @@
struct eth_bearer *eb_ptr = ð_bearers[0];
struct eth_bearer *stop = ð_bearers[MAX_ETH_BEARERS];
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
while ((eb_ptr->dev != dev)) {
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index 273a843..df5b388 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -1299,7 +1299,7 @@
struct sk_buff *skb;
int err;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return;
skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 7b1c6ef..9fc5b02 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -191,7 +191,7 @@
struct net_device *dev = ptr;
struct x25_neigh *nb;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
if (dev->type == ARPHRD_X25
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index 3ff206c..3e1efe5 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -95,7 +95,7 @@
struct sk_buff *nskb;
struct x25_neigh *nb;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
goto drop;
nskb = skb_copy(skb, GFP_ATOMIC);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index cae9fd8..841b32a 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2360,7 +2360,7 @@
{
struct net_device *dev = ptr;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
switch (event) {