aboutsummaryrefslogtreecommitdiffstats
path: root/net/xfrm/xfrm_policy.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
-rw-r--r--net/xfrm/xfrm_policy.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 946b715db5ec..0c3a70ac5075 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -735,12 +735,14 @@ EXPORT_SYMBOL(xfrm_policy_insert);
735 735
736struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir, 736struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
737 struct xfrm_selector *sel, 737 struct xfrm_selector *sel,
738 struct xfrm_sec_ctx *ctx, int delete) 738 struct xfrm_sec_ctx *ctx, int delete,
739 int *err)
739{ 740{
740 struct xfrm_policy *pol, *ret; 741 struct xfrm_policy *pol, *ret;
741 struct hlist_head *chain; 742 struct hlist_head *chain;
742 struct hlist_node *entry; 743 struct hlist_node *entry;
743 744
745 *err = 0;
744 write_lock_bh(&xfrm_policy_lock); 746 write_lock_bh(&xfrm_policy_lock);
745 chain = policy_hash_bysel(sel, sel->family, dir); 747 chain = policy_hash_bysel(sel, sel->family, dir);
746 ret = NULL; 748 ret = NULL;
@@ -750,6 +752,11 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
750 xfrm_sec_ctx_match(ctx, pol->security)) { 752 xfrm_sec_ctx_match(ctx, pol->security)) {
751 xfrm_pol_hold(pol); 753 xfrm_pol_hold(pol);
752 if (delete) { 754 if (delete) {
755 *err = security_xfrm_policy_delete(pol);
756 if (*err) {
757 write_unlock_bh(&xfrm_policy_lock);
758 return pol;
759 }
753 hlist_del(&pol->bydst); 760 hlist_del(&pol->bydst);
754 hlist_del(&pol->byidx); 761 hlist_del(&pol->byidx);
755 xfrm_policy_count[dir]--; 762 xfrm_policy_count[dir]--;
@@ -768,12 +775,14 @@ struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
768} 775}
769EXPORT_SYMBOL(xfrm_policy_bysel_ctx); 776EXPORT_SYMBOL(xfrm_policy_bysel_ctx);
770 777
771struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete) 778struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete,
779 int *err)
772{ 780{
773 struct xfrm_policy *pol, *ret; 781 struct xfrm_policy *pol, *ret;
774 struct hlist_head *chain; 782 struct hlist_head *chain;
775 struct hlist_node *entry; 783 struct hlist_node *entry;
776 784
785 *err = 0;
777 write_lock_bh(&xfrm_policy_lock); 786 write_lock_bh(&xfrm_policy_lock);
778 chain = xfrm_policy_byidx + idx_hash(id); 787 chain = xfrm_policy_byidx + idx_hash(id);
779 ret = NULL; 788 ret = NULL;
@@ -781,6 +790,11 @@ struct xfrm_policy *xfrm_policy_byid(u8 type, int dir, u32 id, int delete)
781 if (pol->type == type && pol->index == id) { 790 if (pol->type == type && pol->index == id) {
782 xfrm_pol_hold(pol); 791 xfrm_pol_hold(pol);
783 if (delete) { 792 if (delete) {
793 *err = security_xfrm_policy_delete(pol);
794 if (*err) {
795 write_unlock_bh(&xfrm_policy_lock);
796 return pol;
797 }
784 hlist_del(&pol->bydst); 798 hlist_del(&pol->bydst);
785 hlist_del(&pol->byidx); 799 hlist_del(&pol->byidx);
786 xfrm_policy_count[dir]--; 800 xfrm_policy_count[dir]--;