linux-kernel - Re: [PATCH] mbxfb: unbreak compilation with CONFIG_FB_MBX

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Date:	Wed, 16 May 2012 08:20:31 +0800
From:	Eric Miao <eric.y.miao@...il.com>
To:	tartler@...fau.de
Cc:	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	Arnd Bergmann <arnd@...db.de>, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, vamos-dev@...ts.cs.fau.de,
	Reinhard Tartler <siretart@...ware.de>
Subject: Re: [PATCH] mbxfb: unbreak compilation with CONFIG_FB_MBX_DEBUG

On Tue, May 15, 2012 at 12:31 AM,  <tartler@...fau.de> wrote:
> From: Reinhard Tartler <siretart@...ware.de>
>
> This patch adds missing function prototypes.
>
> Signed-off-by: Reinhard Tartler <tartler@...fau.de>
> ---
>  drivers/video/mbx/mbxfb.c |    3 +++
>  1 file changed, 3 insertions(+)
>
> This patch was found with tools developed in the VAMOS project:
> http://www4.cs.fau.de/Research/VAMOS/
>
> TBH, I'm not sure if this is the correct solution. However, I'd
> appreciate if someone could confirm that this is a real bug.

This looks to be a correct solution to me.

Acked-by: Eric Miao <eric.y.miao@...il.com>

>
>
> diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c
> index 6ce3416..c2200ec 100644
> --- a/drivers/video/mbx/mbxfb.c
> +++ b/drivers/video/mbx/mbxfb.c
> @@ -878,6 +878,9 @@ static int mbxfb_resume(struct platform_device *dev)
>  #ifndef CONFIG_FB_MBX_DEBUG
>  #define mbxfb_debugfs_init(x)  do {} while(0)
>  #define mbxfb_debugfs_remove(x)        do {} while(0)
> +#else
> +void mbxfb_debugfs_init(struct fb_info *fbi);
> +void mbxfb_debugfs_remove(struct fb_info *fbi);
>  #endif
>
>  #define res_size(_r) (((_r)->end - (_r)->start) + 1)
> --
> 1.7.9.5
>
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