diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-07-19 22:34:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-19 22:34:43 -0700 |
| commit | 721499e8931c5732202481ae24f2dfbf9910f129 (patch) | |
| tree | c94d8d681966109bb41f712f21f3a9825ae2172d /net/ipv4/igmp.c | |
| parent | 407d819cf0fd54c6fc1138a509225696aecafd15 (diff) | |
| download | linux-721499e8931c5732202481ae24f2dfbf9910f129.tar.gz linux-721499e8931c5732202481ae24f2dfbf9910f129.tar.bz2 linux-721499e8931c5732202481ae24f2dfbf9910f129.zip | |
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>
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 68e84a933e90..6203ece53606 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1196,7 +1196,7 @@ void ip_mc_inc_group(struct in_device *in_dev, __be32 addr) 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 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr) 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 @@ void ip_mc_down(struct in_device *in_dev) 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 @@ void ip_mc_init_dev(struct in_device *in_dev) { 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 @@ void ip_mc_up(struct in_device *in_dev) 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 @@ void ip_mc_destroy_dev(struct in_device *in_dev) 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 @@ int ip_mc_join_group(struct sock *sk , struct ip_mreqn *imr) 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 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr) 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 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct 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 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex) 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 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf, 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 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf, 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 @@ void ip_mc_drop_socket(struct sock *sk) if (inet->mc_list == NULL) return; - if (sock_net(sk) != &init_net) + if (!net_eq(sock_net(sk), &init_net)) return; rtnl_lock(); |