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Diffstat (limited to 'net/ipv4/fib_semantics.c')
-rw-r--r--net/ipv4/fib_semantics.c39
1 files changed, 21 insertions, 18 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index fe2ca02..da80dc1 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -140,6 +140,21 @@ const struct fib_prop fib_props[RTN_MAX + 1] = {
},
};
+static void rt_fibinfo_free(struct rtable __rcu **rtp)
+{
+ struct rtable *rt = rcu_dereference_protected(*rtp, 1);
+
+ if (!rt)
+ return;
+
+ /* Not even needed : RCU_INIT_POINTER(*rtp, NULL);
+ * because we waited an RCU grace period before calling
+ * free_fib_info_rcu()
+ */
+
+ dst_free(&rt->dst);
+}
+
static void free_nh_exceptions(struct fib_nh *nh)
{
struct fnhe_hash_bucket *hash = nh->nh_exceptions;
@@ -153,6 +168,9 @@ static void free_nh_exceptions(struct fib_nh *nh)
struct fib_nh_exception *next;
next = rcu_dereference_protected(fnhe->fnhe_next, 1);
+
+ rt_fibinfo_free(&fnhe->fnhe_rth);
+
kfree(fnhe);
fnhe = next;
@@ -161,22 +179,7 @@ static void free_nh_exceptions(struct fib_nh *nh)
kfree(hash);
}
-static void rt_nexthop_free(struct rtable __rcu **rtp)
-{
- struct rtable *rt = rcu_dereference_protected(*rtp, 1);
-
- if (!rt)
- return;
-
- /* Not even needed : RCU_INIT_POINTER(*rtp, NULL);
- * because we waited an RCU grace period before calling
- * free_fib_info_rcu()
- */
-
- dst_free(&rt->dst);
-}
-
-static void rt_nexthop_free_cpus(struct rtable __rcu * __percpu *rtp)
+static void rt_fibinfo_free_cpus(struct rtable __rcu * __percpu *rtp)
{
int cpu;
@@ -203,8 +206,8 @@ static void free_fib_info_rcu(struct rcu_head *head)
dev_put(nexthop_nh->nh_dev);
if (nexthop_nh->nh_exceptions)
free_nh_exceptions(nexthop_nh);
- rt_nexthop_free_cpus(nexthop_nh->nh_pcpu_rth_output);
- rt_nexthop_free(&nexthop_nh->nh_rth_input);
+ rt_fibinfo_free_cpus(nexthop_nh->nh_pcpu_rth_output);
+ rt_fibinfo_free(&nexthop_nh->nh_rth_input);
} endfor_nexthops(fi);
release_net(fi->fib_net);
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