1 files changed, 23 insertions, 0 deletions

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index d71bfbdc0bf4..1e09852df512 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -140,6 +140,27 @@ const struct fib_prop fib_props[RTN_MAX + 1] = {
         },
 };
 
+static void free_nh_exceptions(struct fib_nh *nh)
+{
+        struct fnhe_hash_bucket *hash = nh->nh_exceptions;
+        int i;
+
+        for (i = 0; i < FNHE_HASH_SIZE; i++) {
+                struct fib_nh_exception *fnhe;
+
+                fnhe = rcu_dereference(hash[i].chain);
+                while (fnhe) {
+                        struct fib_nh_exception *next;
+                        
+                        next = rcu_dereference(fnhe->fnhe_next);
+                        kfree(fnhe);
+
+                        fnhe = next;
+                }
+        }
+        kfree(hash);
+}
+
 /* Release a nexthop info record */
 static void free_fib_info_rcu(struct rcu_head *head)
 {
@@ -148,6 +169,8 @@ static void free_fib_info_rcu(struct rcu_head *head)
         change_nexthops(fi) {
                 if (nexthop_nh->nh_dev)
                         dev_put(nexthop_nh->nh_dev);
+                if (nexthop_nh->nh_exceptions)
+                        free_nh_exceptions(nexthop_nh);
         } endfor_nexthops(fi);
 
         release_net(fi->fib_net);