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[NETNS][IPV6] proc - protect snmp6 from non-init_net calls
This patchset avoids creation of the /proc entry for snmp6 when the call is made from a network namespace different from the init_net. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -220,6 +220,9 @@ int snmp6_register_dev(struct inet6_dev *idev)
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if (!idev || !idev->dev)
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return -EINVAL;
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if (idev->dev->nd_net != &init_net)
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return 0;
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if (!proc_net_devsnmp6)
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return -ENOENT;
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