linux-kernel - Re: [Lkcamp] [PATCH 2/4] Renames variable to fix shadow warning.

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Message-ID: <b17297ec-9044-d0c4-ee0e-664b53713020@koikeco.de>
Date:   Tue, 16 Oct 2018 23:56:56 -0300
From:   Helen Koike <helen@...keco.de>
To:     Leonardo Brás <leobras.c@...il.com>,
        lkcamp@...ts.libreplanetbr.org
Cc:     x86@...nel.org, linux-kbuild@...r.kernel.org,
        Matthew Wilcox <willy6545@...il.com>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Lkcamp] [PATCH 2/4] Renames variable to fix shadow warning.

Hi Leonardo,

Thanks for the patch, just some small comments below.

Please, check previous log messages with git log
arch/x86/entry/vdso/vdso2c.h, you will see that most patches had the
prefix "x86/vdso:" in the commit message.

On 10/16/18 9:08 PM, Leonardo Brás wrote:
> Renames the char variable to avoid shadowing a variable previously
> declared on this function.
> 
> Signed-off-by: Leonardo Brás <leobras.c@...il.com>
> ---
>  arch/x86/entry/vdso/vdso2c.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h
> index fa847a620f40..9466998d0f28 100644
> --- a/arch/x86/entry/vdso/vdso2c.h
> +++ b/arch/x86/entry/vdso/vdso2c.h
> @@ -93,11 +93,11 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
>  		int k;
>  		ELF(Sym) *sym = raw_addr + GET_LE(&symtab_hdr->sh_offset) +
>  			GET_LE(&symtab_hdr->sh_entsize) * i;
> -		const char *name = raw_addr + GET_LE(&strtab_hdr->sh_offset) +
> +		const char *name2 = raw_addr + GET_LE(&strtab_hdr->sh_offset) +
>  			GET_LE(&sym->st_name);

Could you please use a more meaningful name instead of name2 please? I
believe sym_name should be fine.

>  
>  		for (k = 0; k < NSYMS; k++) {
> -			if (!strcmp(name, required_syms[k].name)) {
> +			if (!strcmp(name2, required_syms[k].name)) {
>  				if (syms[k]) {
>  					fail("duplicate symbol %s\n",
>  					     required_syms[k].name);
> 

Regards
Helen