xfrm: policy: use hlist rcu variants on insert

bydst table/list lookups use rcu, so insertions must use rcu versions.

Fixes: a7c44247f704e ("xfrm: policy: make xfrm_policy_lookup_bytype lockless")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index f094d4b3520d..119a427d9b2b 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -632,9 +632,9 @@ static void xfrm_hash_rebuild(struct work_struct *work)
                                 break;
                 }
                 if (newpos)
-                        hlist_add_behind(&policy->bydst, newpos);
+                        hlist_add_behind_rcu(&policy->bydst, newpos);
                 else
-                        hlist_add_head(&policy->bydst, chain);
+                        hlist_add_head_rcu(&policy->bydst, chain);
         }
 
         spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
@@ -774,9 +774,9 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
                         break;
         }
         if (newpos)
-                hlist_add_behind(&policy->bydst, newpos);
+                hlist_add_behind_rcu(&policy->bydst, newpos);
         else
-                hlist_add_head(&policy->bydst, chain);
+                hlist_add_head_rcu(&policy->bydst, chain);
         __xfrm_policy_link(policy, dir);
 
         /* After previous checking, family can either be AF_INET or AF_INET6 */