1 files changed, 4 insertions, 2 deletions

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ec94f5795ea4..21e939235b39 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -912,6 +912,7 @@ restart:
                 } else if (delta > 0) {
                         p = &parent->rb_right;
                 } else {
+                        bool same_prefixlen = node->prefixlen == n->prefixlen;
                         struct xfrm_policy *tmp;
 
                         hlist_for_each_entry(tmp, &n->hhead, bydst) {
@@ -919,9 +920,11 @@ restart:
                                 hlist_del_rcu(&tmp->bydst);
                         }
 
+                        node->prefixlen = prefixlen;
+
                         xfrm_policy_inexact_list_reinsert(net, node, family);
 
-                        if (node->prefixlen == n->prefixlen) {
+                        if (same_prefixlen) {
                                 kfree_rcu(n, rcu);
                                 return;
                         }
@@ -929,7 +932,6 @@ restart:
                         rb_erase(*p, new);
                         kfree_rcu(n, rcu);
                         n = node;
-                        n->prefixlen = prefixlen;
                         goto restart;
                 }
         }