linux-kernel - Re: [PATCH] lib/mpi/mpicoder.c: looping issue, need stop when equal to zero, found by 'EXTRA

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Message-ID: <5199FA3B.7060201@asianux.com>
Date:	Mon, 20 May 2013 18:26:03 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	David Howells <dhowells@...hat.com>
CC:	james.l.morris@...cle.com, Rusty Russell <rusty@...tcorp.com.au>,
	dmitry.kasatkin@...el.com, andriy.shevchenko@...ux.intel.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] lib/mpi/mpicoder.c: looping issue, need stop when equal
 to zero, found by 'EXTRA_FLAGS=-W'.

On 05/20/2013 06:13 PM, David Howells wrote:
> Chen Gang <gang.chen@...anux.com> wrote:
> 
>> > For 'while' looping, need stop when 'nbytes == 0', or will cause issue.
>> > ('nbytes' is size_t which is always bigger or equal than zero).
>> > 
>> > The related warning: (with EXTRA_CFLAGS=-W)
>> >   lib/mpi/mpicoder.c:40:2: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
> Acked-by: David Howells <dhowells@...hat.com>
> 
> 

Thank you very much.


Thanks.
-- 
Chen Gang

Asianux Corporation
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