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Re: [patch 03/20] [Network namespace] Remove useless code [message #16957 is a reply to message #16895]

Mon, 11 December 2006 15:08

Cedric Le Goater
Messages: 443
Registered: February 2006

Senior Member

dlezcano@fr.ibm.com wrote:
> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
> 
> ---
> 
>  net/core/net_namespace.c |    5 -----
>  1 files changed, 5 deletions(-)
> 
> Index: 2.6.19-rc6-mm2/net/core/net_namespace.c
> ===================================================================
> --- 2.6.19-rc6-mm2.orig/net/core/net_namespace.c
> +++ 2.6.19-rc6-mm2/net/core/net_namespace.c
> @@ -128,11 +128,6 @@ void free_net_ns(struct kref *kref)
>  	/* taking lock after atomic_dec_and_test is racy */
>  	spin_lock_irqsave(&net_ns_list_lock, flags);
>  	ns = container_of(kref, struct net_namespace, kref);
> -	if (atomic_read(&ns->kref.refcount) ||
> -	    list_empty(&ns->sibling_list)) {
> -		spin_unlock_irqrestore(&net_ns_list_lock, flags);
> -		return;
> -	}

why ? 


>  	list_del_init(&ns->sibling_list);
>  	spin_unlock_irqrestore(&net_ns_list_lock, flags);
>  	put_net_ns(ns->parent);
> 

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[Message index]

		[patch 00/20] [Network namespace] Introduction By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 01/20] [Network namespace] Fix old include header By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 02/20] [Network namespace] Delete unused destroy variable By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 03/20] [Network namespace] Remove useless code By: Daniel Lezcano on Sun, 10 December 2006 21:58
		Re: [patch 03/20] [Network namespace] Remove useless code By: Cedric Le Goater on Mon, 11 December 2006 15:08
		[patch 04/20] [Network namespace] Initialize the init network namespace to level 2 By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 05/20] [Network namespace] Add NS_NET3 to NS_ALL. By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 06/20] [Network namespace] Move the nsproxy NULL affection By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 07/20] [Network namespace] Temporary remove the loopback initialization for layer 3. Allow l3 By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 08/20] [Network namespace] Move the dev name hash relative to the namespace. By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 09/20] [Network namespace] Isolate the inet device. ip and ifconfig commands will not show ip By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 10/20] [Network namespace] ioctl to push ifa to net_ns l3 By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 11/20] [Network namespace] Check the bind address is allowed. It must match ifaddr assigned t By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 12/20] [Network namespace] When no source address is specified, search from the dev list the By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 13/20] [Network namespace] fix silly ifdef error By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 14/20] [Network namespace] Switch the l3 namespace using the destination address. Does not wo By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 15/20] [Network namespace] Add visibility on the loopback address. By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 16/20] [Network namespace] Add loopback isolation. By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 17/20] [Network namespace] For debug purpose only. Add /sys/kernel/debug/net_ns. Creation of By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 18/20] [Network namespace] For debug purpose only. Show ref count for current namespace and l By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 19/20] [Network namespace] For debug purpose only. Add the network namespace pointer to the i By: Daniel Lezcano on Sun, 10 December 2006 21:58
		[patch 20/20] [Network namespace] For debug purpose, used to unshare the network namespace. By: Daniel Lezcano on Sun, 10 December 2006 21:58

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