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path: root/net/xfrm/xfrm_policy.c
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Diffstat (limited to 'net/xfrm/xfrm_policy.c')
-rw-r--r--net/xfrm/xfrm_policy.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 70aa5cb0c659..bd6b0e7a0ee4 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -609,7 +609,8 @@ static void xfrm_hash_rebuild(struct work_struct *work)
/* re-insert all policies by order of creation */
list_for_each_entry_reverse(policy, &net->xfrm.policy_all, walk.all) {
- if (xfrm_policy_id2dir(policy->index) >= XFRM_POLICY_MAX) {
+ if (policy->walk.dead ||
+ xfrm_policy_id2dir(policy->index) >= XFRM_POLICY_MAX) {
/* skip socket policies */
continue;
}
@@ -974,8 +975,6 @@ int xfrm_policy_flush(struct net *net, u8 type, bool task_valid)
}
if (!cnt)
err = -ESRCH;
- else
- xfrm_policy_cache_flush();
out:
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
return err;
@@ -1743,6 +1742,8 @@ void xfrm_policy_cache_flush(void)
bool found = 0;
int cpu;
+ might_sleep();
+
local_bh_disable();
rcu_read_lock();
for_each_possible_cpu(cpu) {
@@ -2062,8 +2063,11 @@ xfrm_bundle_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir,
if (num_xfrms <= 0)
goto make_dummy_bundle;
+ local_bh_disable();
xdst = xfrm_resolve_and_create_bundle(pols, num_pols, fl, family,
- xflo->dst_orig);
+ xflo->dst_orig);
+ local_bh_enable();
+
if (IS_ERR(xdst)) {
err = PTR_ERR(xdst);
if (err != -EAGAIN)
@@ -2150,9 +2154,12 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig,
goto no_transform;
}
+ local_bh_disable();
xdst = xfrm_resolve_and_create_bundle(
pols, num_pols, fl,
family, dst_orig);
+ local_bh_enable();
+
if (IS_ERR(xdst)) {
xfrm_pols_put(pols, num_pols);
err = PTR_ERR(xdst);