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>
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David S. Miller

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407d819cf0
commit
721499e893
@@ -1677,7 +1677,7 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
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case SIOCGIFDSTADDR:
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case SIOCSIFDSTADDR:
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case SIOCSIFFLAGS:
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if (sock_net(sk) != &init_net)
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if (!net_eq(sock_net(sk), &init_net))
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return -ENOIOCTLCMD;
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return inet_dgram_ops.ioctl(sock, cmd, arg);
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#endif
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