linux-kernel - Re: [PATCH v2 01/11] PCI/VGA: Use unsigned type for the io

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Date:   Wed, 9 Aug 2023 16:57:50 +0300 (EEST)
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Sui Jingfeng <sui.jingfeng@...ux.dev>
cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Dave Airlie <airlied@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>, linux-pci@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        LKML <linux-kernel@...r.kernel.org>,
        Sui Jingfeng <suijingfeng@...ngson.cn>,
        Andi Shyti <andi.shyti@...ux.intel.com>
Subject: Re: [PATCH v2 01/11] PCI/VGA: Use unsigned type for the io_state
 variable

On Wed, 9 Aug 2023, Sui Jingfeng wrote:

> From: Sui Jingfeng <suijingfeng@...ngson.cn>
> 
> The io_state variable in the vga_arb_write() function is declared with
> unsigned int type, while the vga_str_to_iostate() function takes 'int *'
> type. To keep them consistent, this patch replaceis the third argument of
> vga_str_to_iostate() function with 'unsigned int *' type.
> 
> Reviewed-by: Andi Shyti <andi.shyti@...ux.intel.com>
> Signed-off-by: Sui Jingfeng <suijingfeng@...ngson.cn>
> ---
>  drivers/pci/vgaarb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/vgaarb.c b/drivers/pci/vgaarb.c
> index 5a696078b382..c1bc6c983932 100644
> --- a/drivers/pci/vgaarb.c
> +++ b/drivers/pci/vgaarb.c
> @@ -77,7 +77,7 @@ static const char *vga_iostate_to_str(unsigned int iostate)
>  	return "none";
>  }
>  
> -static int vga_str_to_iostate(char *buf, int str_size, int *io_state)
> +static int vga_str_to_iostate(char *buf, int str_size, unsigned int *io_state)
>  {
>  	/* we could in theory hand out locks on IO and mem
>  	 * separately to userspace but it can cause deadlocks */

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

-- 
 i.