linux-kernel - Re: My system stops during startup with curretn git tree of 2.6.25-rc2

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Date:	Mon, 18 Feb 2008 18:03:47 +0100
From:	Laszlo Attila Toth <panther@...abit.hu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Jiri Kosina <jkosina@...e.cz>, David Miller <davem@...emloft.net>,
	zdenek.kabelac@...il.com, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: My system stops during startup with curretn git tree of 2.6.25-rc2

Hello,

Rafael J. Wysocki wrote:
> On Monday, 18 of February 2008, Laszlo Attila Toth wrote:
>
> 
> All in all, I gather you wanted me to test the patch below. :-)
> 
> Yes, that helps.

Thanks for the testing. Dave already reverted the patch, also I don't 
know I should resend it or leave it as is.

Regards,
Attila

> Thanks,
> Rafael
> 
> ---
> Fix net/core/rtnetlink.c breakage caused by commit
> 45b503548210fe6f23e92b856421c2a3f05fd034
> "[RTNETLINK]: Send a single notification on device state changes."
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> ---
>  net/core/rtnetlink.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> Index: linux-2.6/net/core/rtnetlink.c
> ===================================================================
> --- linux-2.6.orig/net/core/rtnetlink.c
> +++ linux-2.6/net/core/rtnetlink.c
> @@ -853,7 +853,7 @@ static int do_setlink(struct net_device 
>  		if (dev->link_mode != nla_get_u8(tb[IFLA_LINKMODE])) {
>  			write_lock_bh(&dev_base_lock);
>  			dev->link_mode = nla_get_u8(tb[IFLA_LINKMODE]);
> -			write_lock_bh(&dev_base_lock);
> +			write_unlock_bh(&dev_base_lock);
>  			modified = 1;
>  		}
>  	}
> @@ -870,8 +870,8 @@ errout:
>  	if (send_addr_notify)
>  		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
>  
> -	if (modified)
> -		netdev_state_change(dev);
> +	if (modified && dev->flags & IFF_UP)
> +		call_netdevice_notifiers(NETDEV_CHANGE, dev);
>  
>  	return err;
>  }
> 
--
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