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Date:   Thu, 23 Nov 2017 17:35:06 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Chao Fan <fanc.fnst@...fujitsu.com>
cc:     hpa@...or.com, mingo@...hat.com, x86@...nel.org,
        keescook@...omium.org, gregkh@...uxfoundation.org,
        n-horiguchi@...jp.nec.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kaslr: clean up a useless variable and some usless
 space

On Thu, 23 Nov 2017, Thomas Gleixner wrote:

> On Thu, 23 Nov 2017, Chao Fan wrote:
> 
> > There are two same variable "rc" in mem_avoid_memmap. One is in the
> > circulation, the other is out of the circulation. The one out will never
> > be used, so drop it.
> > 
> > Signed-off-by: Chao Fan <fanc.fnst@...fujitsu.com>
> > ---
> >  arch/x86/boot/compressed/kaslr.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> > 
> > diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
> > index a63fbc25ce84..8199a6187251 100644
> > --- a/arch/x86/boot/compressed/kaslr.c
> > +++ b/arch/x86/boot/compressed/kaslr.c
> > @@ -171,7 +171,6 @@ parse_memmap(char *p, unsigned long long *start, unsigned long long *size)
> >  static void mem_avoid_memmap(char *str)
> >  {
> >  	static int i;
> > -	int rc;
> >  
> >  	if (i >= MAX_MEMMAP_REGIONS)
> >  		return;
> > @@ -219,7 +218,7 @@ static int handle_mem_memmap(void)
> >  		return 0;
> >  
> >  	tmp_cmdline = malloc(len + 1);
> > -	if (!tmp_cmdline )
> > +	if (!tmp_cmdline)
> >  		error("Failed to allocate space for tmp_cmdline");
> 
> This change is unrelated.

Never mind. Just noticed that it's mentioned in $subject.

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