linux-kernel - linux-next: percpu tree build warning

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Message-Id: <20091112174558.128cea97.sfr@canb.auug.org.au>
Date:	Thu, 12 Nov 2009 17:45:58 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Tejun Heo <tj@...nel.org>, Rusty Russell <rusty@...tcorp.com.au>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: linux-next: percpu tree build warning

Hi all,

Today's linux-next build (powerpc ppc64_defconfig) produced this warning:

drivers/net/loopback.c: In function 'loopback_get_stats':
drivers/net/loopback.c:109: warning: initialization discards qualifiers from pointer target type

The line in question is:

	lb_stats = per_cpu_ptr(pcpu_lstats, i);

Where "lb_stats" and "pcpu_lstats" are both "const struct pcpu_lstats
*".  I guess this is because of __verify_pcpu_ptr().

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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