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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index de73bcb5235a..d56cae112dc8 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1677,7 +1677,7 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
                 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