linux-kernel - Re: [PATCH 8/8] ACPI / trace: Add trace interface for eMCA driver

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Date:	Mon, 14 Oct 2013 03:07:27 -0400
From:	Chen Gong <gong.chen@...ux.intel.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	tony.luck@...el.com, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 8/8] ACPI / trace: Add trace interface for eMCA driver

On Fri, Oct 11, 2013 at 06:14:36PM +0200, Borislav Petkov wrote:
> Date: Fri, 11 Oct 2013 18:14:36 +0200
> From: Borislav Petkov <bp@...en8.de>
> To: "Chen, Gong" <gong.chen@...ux.intel.com>
> Cc: tony.luck@...el.com, linux-kernel@...r.kernel.org,
>  linux-acpi@...r.kernel.org
> Subject: Re: [PATCH 8/8] ACPI / trace: Add trace interface for eMCA driver
> User-Agent: Mutt/1.5.21 (2010-09-15)
> 
...
> > +static void dimm_err_location(struct cper_sec_mem_err *mem)
> > +{
> > +	memset(dimm_location, 0, LOC_LEN);
> > +	if (mem->validation_bits & CPER_MEM_VALID_MODULE_HANDLE) {
> 
> By reversing this test you can save yourself an indentation level and a
> superfluous memset:
> 
> 	if (!(mem->validation_bits & CPER_MEM_VALID_MODULE_HANDLE))
> 		return;
> 
> 	memset(dimm_location, 0, LOC_LEN);
> 	dmi_memdev_name...
> 	...
> 
> 
memset should be called before return, otherwise the values from last time
will happen again in this time.

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