linux-kernel - Re: [PATCH v2] cpumask.h: silence warning with -Wsign-compare

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Message-ID: <87bnvbbu0h.fsf@rustcorp.com.au>
Date:	Tue, 06 May 2014 10:31:02 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Brian W Hart <hartb@...ux.vnet.ibm.com>, tj@...nel.org,
	linux-kernel@...r.kernel.org, trivial@...nel.org
Subject: Re: [PATCH v2] cpumask.h: silence warning with -Wsign-compare

Brian W Hart <hartb@...ux.vnet.ibm.com> writes:
> Silence the warning when building with -Wsign-compare when cpumask.h
> is included:
>
> include/linux/cpumask.h: In function ‘cpumask_parse’:
> include/linux/cpumask.h:603:26: warning: signed and unsigned type in conditional
> +expression [-Wsign-compare]
>   int len = nl ? nl - buf : strlen(buf);
>                           ^
>
> V2: Rusty pointed out that unsigned should be used instead.

Thanks, applied.

Cheers,
Rusty.
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