linux-kernel - Re: [PATCH] sched/wait: suppress sparse 'variable shadowing' warning

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Message-ID: <20140206164558.GV2936@laptop.programming.kicks-ass.net>
Date:	Thu, 6 Feb 2014 17:45:58 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] sched/wait: suppress sparse 'variable shadowing' warning

On Thu, Feb 06, 2014 at 05:28:41PM +0100, Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@...el.com>
> 
> This warning seems to show up a lot now, since ___wait_event()
> is (indirectly) used inside wait_event_timeout(), which also
> has a variable called __ret. Rename the one in ___wait_event()
> to ___ret (another leading underscore) to suppress the warning.
> 
> Signed-off-by: Johannes Berg <johannes.berg@...el.com>

Thanks!
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