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authorJiri Pirko <jpirko@redhat.com>2010-06-07 03:27:39 +0000
committerDavid S. Miller <davem@davemloft.net>2010-06-09 16:14:25 -0700
commit88e7594a9775e54dcd421cb246406dce62e48bee (patch)
tree2a95adf9feb4c793d45d3ae86df05de4ca460d63 /net/phonet
parentbb69ae049fcc986fcd742eb90ca0d44a7a49c9f1 (diff)
phonet: use call_rcu for phonet device free
Use call_rcu rather than synchronize_rcu. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/phonet')
-rw-r--r--net/phonet/pn_dev.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index c33da6576942..b18e48fae975 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -162,6 +162,14 @@ int phonet_address_add(struct net_device *dev, u8 addr)
return err;
}
+static void phonet_device_rcu_free(struct rcu_head *head)
+{
+ struct phonet_device *pnd;
+
+ pnd = container_of(head, struct phonet_device, rcu);
+ kfree(pnd);
+}
+
int phonet_address_del(struct net_device *dev, u8 addr)
{
struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
@@ -179,10 +187,9 @@ int phonet_address_del(struct net_device *dev, u8 addr)
pnd = NULL;
mutex_unlock(&pndevs->lock);
- if (pnd) {
- synchronize_rcu();
- kfree(pnd);
- }
+ if (pnd)
+ call_rcu(&pnd->rcu, phonet_device_rcu_free);
+
return err;
}

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