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Diffstat (limited to 'net/ipv4/devinet.c')
-rw-r--r--net/ipv4/devinet.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e8b9a9202fec..b0acf6e19aed 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -234,13 +234,20 @@ static void inet_free_ifa(struct in_ifaddr *ifa)
call_rcu(&ifa->rcu_head, inet_rcu_free_ifa);
}
+static void in_dev_free_rcu(struct rcu_head *head)
+{
+ struct in_device *idev = container_of(head, struct in_device, rcu_head);
+
+ kfree(rcu_dereference_protected(idev->mc_hash, 1));
+ kfree(idev);
+}
+
void in_dev_finish_destroy(struct in_device *idev)
{
struct net_device *dev = idev->dev;
WARN_ON(idev->ifa_list);
WARN_ON(idev->mc_list);
- kfree(rcu_dereference_protected(idev->mc_hash, 1));
#ifdef NET_REFCNT_DEBUG
pr_debug("%s: %p=%s\n", __func__, idev, dev ? dev->name : "NIL");
#endif
@@ -248,7 +255,7 @@ void in_dev_finish_destroy(struct in_device *idev)
if (!idev->dead)
pr_err("Freeing alive in_device %p\n", idev);
else
- kfree(idev);
+ call_rcu(&idev->rcu_head, in_dev_free_rcu);
}
EXPORT_SYMBOL(in_dev_finish_destroy);
@@ -298,12 +305,6 @@ out_kfree:
goto out;
}
-static void in_dev_rcu_put(struct rcu_head *head)
-{
- struct in_device *idev = container_of(head, struct in_device, rcu_head);
- in_dev_put(idev);
-}
-
static void inetdev_destroy(struct in_device *in_dev)
{
struct net_device *dev;
@@ -328,7 +329,7 @@ static void inetdev_destroy(struct in_device *in_dev)
neigh_parms_release(&arp_tbl, in_dev->arp_parms);
arp_ifdown(dev);
- call_rcu(&in_dev->rcu_head, in_dev_rcu_put);
+ in_dev_put(in_dev);
}
int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b)