[v5,1/4] PCI/VGA: Use unsigned type for the io_state variable

Message ID 20230609112417.632313-1-suijingfeng@loongson.cn
State New
Headers
Series [v5,1/4] PCI/VGA: Use unsigned type for the io_state variable |

Commit Message

Sui Jingfeng June 9, 2023, 11:24 a.m. UTC
  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, replace the third argument of
vga_str_to_iostate() function with the unsigned int * type.

Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
---
 drivers/pci/vgaarb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

Andi Shyti June 9, 2023, 11:48 a.m. UTC | #1
Hi Sui,

On Fri, Jun 09, 2023 at 07:24:14PM +0800, Sui Jingfeng wrote:
> 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, replace the third argument of
> vga_str_to_iostate() function with the unsigned int * type.
> 
> Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>

Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> 

Andi

> ---
>  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 */
> -- 
> 2.25.1
  
Sui Jingfeng June 9, 2023, 12:25 p.m. UTC | #2
Hi,

On 2023/6/9 19:48, Andi Shyti wrote:
> Hi Sui,
>
> On Fri, Jun 09, 2023 at 07:24:14PM +0800, Sui Jingfeng wrote:
>> 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, replace the third argument of
>> vga_str_to_iostate() function with the unsigned int * type.
>>
>> Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Thanks a lot.
> Andi
>
>> ---
>>   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 */
>> -- 
>> 2.25.1
  

Patch

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 */