From: Eric W. Biederman Date: Sat, 8 Nov 2008 06:52:34 +0000 (-0800) Subject: net: fib_rules ordering fixes. X-Git-Tag: v4.13~25604^2~746 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=5d6d480908300a0c0b3be8b58567dfcef62c83a5;p=mirror_ubuntu-bionic-kernel.git net: fib_rules ordering fixes. We need to setup the network namespace state before we register the notifier. Otherwise if a network device is already registered we get a nasty NULL pointer dereference. Signed-off-by: Eric W. Biederman Signed-off-by: David S. Miller --- diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 79de3b14a8d1..32b3a0152d7a 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -664,17 +664,18 @@ static int __init fib_rules_init(void) rtnl_register(PF_UNSPEC, RTM_DELRULE, fib_nl_delrule, NULL); rtnl_register(PF_UNSPEC, RTM_GETRULE, NULL, fib_nl_dumprule); - err = register_netdevice_notifier(&fib_rules_notifier); + err = register_pernet_subsys(&fib_rules_net_ops); if (err < 0) goto fail; - err = register_pernet_subsys(&fib_rules_net_ops); + err = register_netdevice_notifier(&fib_rules_notifier); if (err < 0) goto fail_unregister; + return 0; fail_unregister: - unregister_netdevice_notifier(&fib_rules_notifier); + unregister_pernet_subsys(&fib_rules_net_ops); fail: rtnl_unregister(PF_UNSPEC, RTM_NEWRULE); rtnl_unregister(PF_UNSPEC, RTM_DELRULE);