netdev - Re: [PATCH v2] nfs: fix dead code of ipv6_addr

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Date:	Tue, 24 Dec 2013 09:35:09 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Alexander Aring <alex.aring@...il.com>
Cc:	hannes@...essinduktion.org, linux-nfs@...r.kernel.org,
	netdev@...r.kernel.org, stable@...r.kernel.org,
	werner@...esberger.net
Subject: Re: [PATCH v2] nfs: fix dead code of ipv6_addr_scope

On Mon, Dec 23, 2013 at 12:01:16AM +0100, Alexander Aring wrote:
> This patch corrects the check on a linklocal address.
> 
> Currently this can't be work, because ipv6_addr_scope returns a int with
> a mask of IPV6_ADDR_SCOPE_MASK (0x00f0U) and IPV6_ADDR_SCOPE_LINKLOCAL
> is 0x02. So the condition is always false.
> 
> Signed-off-by: Alexander Aring <alex.aring@...il.com>
> ---
> - change check on linklocal address from
>   (ipv6_addr_src_scope(&a6->sin6_addr) == IPV6_ADDR_SCOPE_LINKLOCAL) to
>   (ipv6_addr_scope(&a6->sin6_addr) & IPV6_ADDR_LINKLOCAL) which is a
>   little bit faster.
> - change commit msg.

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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