[PATCH 4/4] [NETDEV] sky2: rtnl_lock out of loop will be faster
Before this patch, it gets and releases the lock at each
iteration of the loop. Changing unregister_netdev to
unregister_netdevice and locking outside of the loop will
be faster for this approach.
Signed-off-by: Wang Chen <[EMAIL PROTECTED]>
---
sky2.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
--- linux-2.6.24.rc5.org/drivers/net/sky2.c 2007-12-12 10:19:43.000000000
+0800
+++ linux-2.6.24.rc5/drivers/net/sky2.c 2007-12-12 15:23:37.000000000 +0800
@@ -4270,8 +4270,10 @@ static void __devexit sky2_remove(struct
del_timer_sync(&hw->watchdog_timer);
cancel_work_sync(&hw->restart_work);
+ rtnl_lock();
for (i = hw->ports-1; i >= 0; --i)
- unregister_netdev(hw->dev[i]);
+ unregister_netdevice(hw->dev[i]);
+ rtnl_unlock();
sky2_write32(hw, B0_IMSK, 0);
--
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