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[02/10] xfrm: policy: use hlist rcu variants on inexact insert, part 2

Message ID 20190125074426.31053-3-steffen.klassert@secunet.com
State Accepted
Delegated to: David Miller
Headers show
Series [01/10] selftests: xfrm: add block rules with adjacent/overlapping subnets | expand

Commit Message

Steffen Klassert Jan. 25, 2019, 7:44 a.m. UTC 
From: Florian Westphal <fw@strlen.de>

This function was modeled on the 'exact' insert one, which did not use
the rcu variant either.

When I fixed the 'exact' insert I forgot to propagate this to my
development tree, so the inexact variant retained the bug.

Fixes: 9cf545ebd591d ("xfrm: policy: store inexact policies in a tree ordered by destination address")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 net/xfrm/xfrm_policy.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 934492bad8e0..628b389af2ba 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -856,9 +856,9 @@  static void xfrm_policy_inexact_list_reinsert(struct net *net,
 		}
 
 		if (newpos)
-			hlist_add_behind(&policy->bydst, newpos);
+			hlist_add_behind_rcu(&policy->bydst, newpos);
 		else
-			hlist_add_head(&policy->bydst, &n->hhead);
+			hlist_add_head_rcu(&policy->bydst, &n->hhead);
 
 		/* paranoia checks follow.
 		 * Check that the reinserted policy matches at least