xfrm: spin_lock() should be spin_unlock() in xfrm_state.c

xfrm: spin_lock() should be spin_unlock() in xfrm_state.c

spin_lock() should be spin_unlock() in xfrm_state_walk_done().

caused by:
commit 12a169e7d8f4b1c95252d8b04ed0f1033ed7cfe2
"ipsec: Put dumpers on the dump list"

Reported-by: Marc Milgram <mmilgram@redhat.com>
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
---

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On Thu, Mar 26, 2009 at 06:58:45PM -0400, Chuck Ebbert wrote:
> xfrm: spin_lock() should be spin_unlock() in xfrm_state.c
> 
> spin_lock() should be spin_unlock() in xfrm_state_walk_done().
> 
> caused by:
> commit 12a169e7d8f4b1c95252d8b04ed0f1033ed7cfe2
> "ipsec: Put dumpers on the dump list"
> 
> Reported-by: Marc Milgram <mmilgram@redhat.com>
> Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
> ---
> 
> --- linux-2.6.29.noarch.orig/net/xfrm/xfrm_state.c
> +++ linux-2.6.29.noarch/net/xfrm/xfrm_state.c
> @@ -1615,7 +1615,7 @@ void xfrm_state_walk_done(struct xfrm_st
>  
>  	spin_lock_bh(&xfrm_state_lock);
>  	list_del(&walk->all);
> -	spin_lock_bh(&xfrm_state_lock);
> +	spin_unlock_bh(&xfrm_state_lock);
>  }
>  EXPORT_SYMBOL(xfrm_state_walk_done);

Good catch!

Thanks,

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Fri, 27 Mar 2009 09:16:54 +0800

> On Thu, Mar 26, 2009 at 06:58:45PM -0400, Chuck Ebbert wrote:
> > xfrm: spin_lock() should be spin_unlock() in xfrm_state.c
> > 
> > spin_lock() should be spin_unlock() in xfrm_state_walk_done().
> > 
> > caused by:
> > commit 12a169e7d8f4b1c95252d8b04ed0f1033ed7cfe2
> > "ipsec: Put dumpers on the dump list"
> > 
> > Reported-by: Marc Milgram <mmilgram@redhat.com>
> > Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
 ...
> Good catch!

Applied and queued to -stable.

I can't believe nobody hit this in all of this time :-)
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On Fri, Mar 27, 2009 at 12:24:13AM -0700, David Miller wrote:
>
> I can't believe nobody hit this in all of this time :-)

Indeed, now it makes nervous everytime I type ip xfrm state :)