linux-kernel - Re: [PATCH-next] init/main.c: make local symbol static

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Date:   Thu, 18 Jan 2018 18:33:27 -0500
From:   Christopher Díaz Riveros <chrisadr@...too.org>
To:     Tom Lendacky <thomas.lendacky@....com>,
        Randy Dunlap <rdunlap@...radead.org>, mingo@...nel.org,
        akpm@...ux-foundation.org, tglx@...utronix.de,
        keescook@...omium.org, lauraa@...eaurora.org, rostedt@...dmis.org,
        mhocko@...e.com, tal.shorer@...il.com, viresh.kumar@...aro.org,
        lokeshvutla@...com
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH-next] init/main.c: make local symbol static

El jue, 18-01-2018 a las 16:31 -0600, Tom Lendacky escribió:
> On 1/18/2018 4:09 PM, Randy Dunlap wrote:
> > On 01/18/2018 02:06 PM, Christopher Díaz Riveros wrote:
> > > Fixes the following sparse warning:
> > > 
> > > init/main.c:167:12: warning:
> > >   symbol 'envp_init' was not declared. Should it be static?
> > > 
> > > Signed-off-by: Christopher Díaz Riveros <chrisadr@...too.org>
> > 
> > Does the kernel build OK after this change?
> > 

I built it a couple of times before sending the patch, now I compiled
it again and everything went ok.

> > What about the other user(s) of envp_init?
> 
> It looks like it's referenced in init/do_mounts_initrd.c.  Rather
> than making it static, it should be declared in .h file.
> 

Ok, I'll try to figure it out, akpm accepted the patch in mm-next but
was dropped because of testing failures. I'm still very new to all of
this process.

> Thanks,
> Tom
> 

Thank you both.
> > 
> > 
> > > ---
> > >  init/main.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/init/main.c b/init/main.c
> > > index a8100b954839..ae86addb306c 100644
> > > --- a/init/main.c
> > > +++ b/init/main.c
> > > @@ -164,7 +164,7 @@ static int __init set_reset_devices(char
> > > *str)
> > >  __setup("reset_devices", set_reset_devices);
> > >  
> > >  static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL,
> > > };
> > > -const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/",
> > > "TERM=linux", NULL, };
> > > +static const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/",
> > > "TERM=linux", NULL, };
> > >  static const char *panic_later, *panic_param;
> > >  
> > >  extern const struct obs_kernel_param __setup_start[],
> > > __setup_end[];
> > > 
> > 
> > 
-- 
Christopher Díaz Riveros
Gentoo Linux Developer
GPG Fingerprint: E517 5ECB 8152 98E4 FEBC  2BAA 4DBB D10F 0FDD 2547