From: Florian Westphal <fw@strlen.de>
Date: Wed, 9 Aug 2017 18:41:53 +0000 (+0200)
Subject: net: call newid/getid without rtnl mutex held
X-Git-Tag: v4.14-rc1~130^2~308^2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=165b9117256c5432bf241fdf4637487e4af68cc8;p=linux.git

net: call newid/getid without rtnl mutex held

Both functions take nsid_lock and don't rely on rtnl lock.

Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index a7f06d706aa0..6cfdc7c84c48 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -855,9 +855,10 @@ static int __init net_ns_init(void)
 
 	register_pernet_subsys(&net_ns_ops);
 
-	rtnl_register(PF_UNSPEC, RTM_NEWNSID, rtnl_net_newid, NULL, 0);
+	rtnl_register(PF_UNSPEC, RTM_NEWNSID, rtnl_net_newid, NULL,
+		      RTNL_FLAG_DOIT_UNLOCKED);
 	rtnl_register(PF_UNSPEC, RTM_GETNSID, rtnl_net_getid, rtnl_net_dumpid,
-		      0);
+		      RTNL_FLAG_DOIT_UNLOCKED);
 
 	return 0;
 }