linux-kernel - Re: [PATCH 04/21] acpi: Remove "continue" in macro INVALID

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Message-ID: <20130723191555.GJ21100@mtj.dyndns.org>
Date:	Tue, 23 Jul 2013 15:15:55 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Tang Chen <tangchen@...fujitsu.com>
Cc:	tglx@...utronix.de, mingo@...e.hu, hpa@...or.com,
	akpm@...ux-foundation.org, trenn@...e.de, yinghai@...nel.org,
	jiang.liu@...wei.com, wency@...fujitsu.com, laijs@...fujitsu.com,
	isimatu.yasuaki@...fujitsu.com, izumi.taku@...fujitsu.com,
	mgorman@...e.de, minchan@...nel.org, mina86@...a86.com,
	gong.chen@...ux.intel.com, vasilis.liaskovitis@...fitbricks.com,
	lwoodman@...hat.com, riel@...hat.com, jweiner@...hat.com,
	prarit@...hat.com, zhangyanfei@...fujitsu.com,
	yanghy@...fujitsu.com, x86@...nel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 04/21] acpi: Remove "continue" in macro INVALID_TABLE().

On Fri, Jul 19, 2013 at 03:59:17PM +0800, Tang Chen wrote:
> The macro INVALID_TABLE() is defined like this:
> 
>  #define INVALID_TABLE(x, path, name)                                    \
>          { pr_err("ACPI OVERRIDE: " x " [%s%s]\n", path, name); continue; }
> 
> And it is used like this:
> 
> 	for (...) {
> 		...
> 		if (...)
> 			INVALID_TABLE()
> 		...
> 	}
> 
> The "continue" in the macro makes the code hard to understand.
> Change it to the style like other macros:
> 
>  #define INVALID_TABLE(x, path, name)                                    \
>          do { pr_err("ACPI OVERRIDE: " x " [%s%s]\n", path, name); } while (0)
> 
> So after this patch, this macro should be used like this:
> 
> 	for (...) {
> 		...
> 		if (...) {
> 			INVALID_TABLE()
> 			continue;
> 		}
> 		...
> 	}
> 
> Add the "continue" wherever the macro is called.
> (For now, it is only called in acpi_initrd_override().)
> 
> The idea is from Yinghai Lu <yinghai@...nel.org>.
> 
> Signed-off-by: Tang Chen <tangchen@...fujitsu.com>
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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