linux-kernel - Re: [PATCH 5.2 078/313] RAS: Fix prototype warnings

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Message-ID: <20191003164527.GB11675@zn.tnic>
Date:   Thu, 3 Oct 2019 18:45:27 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Valdis Kletnieks <valdis.kletnieks@...edu>,
        Borislav Petkov <bp@...e.de>, Tony Luck <tony.luck@...el.com>,
        linux-edac@...r.kernel.org, x86@...nel.org,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.2 078/313] RAS: Fix prototype warnings

On Thu, Oct 03, 2019 at 05:50:56PM +0200, Greg Kroah-Hartman wrote:
> From: Valdis Klētnieks <valdis.kletnieks@...edu>
> 
> [ Upstream commit 0a54b809a3a2c31e1055b45b03708eb730222be1 ]
> 
> When building with C=2 and/or W=1, legitimate warnings are issued about
> missing prototypes:
> 
>     CHECK   drivers/ras/debugfs.c
>   drivers/ras/debugfs.c:4:15: warning: symbol 'ras_debugfs_dir' was not declared. Should it be static?
>   drivers/ras/debugfs.c:8:5: warning: symbol 'ras_userspace_consumers' was not declared. Should it be static?
>   drivers/ras/debugfs.c:38:12: warning: symbol 'ras_add_daemon_trace' was not declared. Should it be static?
>   drivers/ras/debugfs.c:54:13: warning: symbol 'ras_debugfs_init' was not declared. Should it be static?
>     CC      drivers/ras/debugfs.o
>   drivers/ras/debugfs.c:8:5: warning: no previous prototype for 'ras_userspace_consumers' [-Wmissing-prototypes]
>       8 | int ras_userspace_consumers(void)
>         |     ^~~~~~~~~~~~~~~~~~~~~~~
>   drivers/ras/debugfs.c:38:12: warning: no previous prototype for 'ras_add_daemon_trace' [-Wmissing-prototypes]
>      38 | int __init ras_add_daemon_trace(void)
>         |            ^~~~~~~~~~~~~~~~~~~~
>   drivers/ras/debugfs.c:54:13: warning: no previous prototype for 'ras_debugfs_init' [-Wmissing-prototypes]
>      54 | void __init ras_debugfs_init(void)
>         |             ^~~~~~~~~~~~~~~~
> 
> Provide the proper includes.
> 
>  [ bp: Take care of the same warnings for cec.c too. ]
> 
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@...edu>
> Signed-off-by: Borislav Petkov <bp@...e.de>
> Cc: Tony Luck <tony.luck@...el.com>
> Cc: linux-edac@...r.kernel.org
> Cc: x86@...nel.org
> Link: http://lkml.kernel.org/r/7168.1565218769@turing-police
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  drivers/ras/cec.c     | 1 +
>  drivers/ras/debugfs.c | 2 ++
>  2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
> index f5795adc5a6e1..8037c490f3ba7 100644
> --- a/drivers/ras/cec.c
> +++ b/drivers/ras/cec.c
> @@ -1,6 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0
>  #include <linux/mm.h>
>  #include <linux/gfp.h>
> +#include <linux/ras.h>
>  #include <linux/kernel.h>
>  #include <linux/workqueue.h>
>  
> diff --git a/drivers/ras/debugfs.c b/drivers/ras/debugfs.c
> index 9c1b717efad86..0d4f985afbf37 100644
> --- a/drivers/ras/debugfs.c
> +++ b/drivers/ras/debugfs.c
> @@ -1,5 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0-only
>  #include <linux/debugfs.h>
> +#include <linux/ras.h>
> +#include "debugfs.h"
>  
>  struct dentry *ras_debugfs_dir;
>  
> -- 

Definitely not stable material.

-- 
Regards/Gruss,
    Boris.

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