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RDS: TCP: unregister_netdevice_notifier() in error path of rds_tcp_init_net

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If some error is encountered in rds_tcp_init_net, make sure to
unregister_netdevice_notifier(), else we could trigger a panic
later on, when the modprobe from a netns fails.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sowmini Varadhan 2016-12-01 04:44:43 -08:00 committed by David S. Miller
parent 80d1106aea
commit 721c7443dc
1 changed files with 2 additions and 0 deletions
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2
net/rds/tcp.c
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@ -659,6 +659,8 @@ out_recv:
out_pernet:
unregister_pernet_subsys(&rds_tcp_net_ops);
out_slab:
if (unregister_netdevice_notifier(&rds_tcp_dev_notifier))
pr_warn("could not unregister rds_tcp_dev_notifier\n");
kmem_cache_destroy(rds_tcp_conn_slab);
out:
return ret;