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authorJiri Pirko <jpirko@redhat.com>2010-04-20 12:45:37 +0400
committerDavid S. Miller <davem@davemloft.net>2010-04-20 12:45:37 +0400
commitab9304717f7624c41927f442e6b6d418b2d8b3e4 (patch)
tree1ade11020c85e201b54caad9e929fc795d99487e
parentb249dcb82d327e419d3cb45773b146ebb5faf419 (diff)
downloadlinux-ab9304717f7624c41927f442e6b6d418b2d8b3e4.tar.xz
net: emphasize rtnl lock required in call_netdevice_notifiers
Since netdev_chain is guarded by rtnl_lock, ASSERT_RTNL should be present here to make sure that all callers of call_netdevice_notifiers does the locking properly. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/core/dev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 0d78e0454a6d..b31d5d69a467 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1435,6 +1435,7 @@ EXPORT_SYMBOL(unregister_netdevice_notifier);
int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
{
+ ASSERT_RTNL();
return raw_notifier_call_chain(&netdev_chain, val, dev);
}