diff options
| author | Florian Westphal <fw@strlen.de> | 2018-10-10 19:02:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-13 22:16:47 +0300 |
| commit | 9da255bbd10834825b4336655a51c7d73a0aa3af (patch) | |
| tree | b9fd2acc0e562cd90ffbcba5944bf4c801dfc150 /net/xfrm | |
| parent | 9527bd3290b9a6b315d093c1937fe98028e02e6e (diff) | |
| download | linux-9da255bbd10834825b4336655a51c7d73a0aa3af.tar.xz | |
xfrm: policy: use hlist rcu variants on insert
[ Upstream commit 9dffff200fd178f11dd50eb1fd8ccd0650c9284e ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/xfrm')
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index d0dcfc68c043..155b1591b17a 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -659,9 +659,9 @@ 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); @@ -800,9 +800,9 @@ 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); atomic_inc(&net->xfrm.flow_cache_genid); |