net: Added ASSERT_RTNL() to dev_open() and dev_close().
dev_open() and dev_close() must be called holding the RTNL, since they
call device functions and netdevice notifiers that are promised the RTNL.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 4addaf0..a1607bc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -994,6 +994,8 @@
{
int ret = 0;
+ ASSERT_RTNL();
+
/*
* Is it already up?
*/
@@ -1060,6 +1062,8 @@
*/
int dev_close(struct net_device *dev)
{
+ ASSERT_RTNL();
+
might_sleep();
if (!(dev->flags & IFF_UP))