Commit e46b66bc authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller

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: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c2ab7ac2
...@@ -994,6 +994,8 @@ int dev_open(struct net_device *dev) ...@@ -994,6 +994,8 @@ int dev_open(struct net_device *dev)
{ {
int ret = 0; int ret = 0;
ASSERT_RTNL();
/* /*
* Is it already up? * Is it already up?
*/ */
...@@ -1060,6 +1062,8 @@ int dev_open(struct net_device *dev) ...@@ -1060,6 +1062,8 @@ int dev_open(struct net_device *dev)
*/ */
int dev_close(struct net_device *dev) int dev_close(struct net_device *dev)
{ {
ASSERT_RTNL();
might_sleep(); might_sleep();
if (!(dev->flags & IFF_UP)) if (!(dev->flags & IFF_UP))
......
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