Re: [PATCH v2] i2c: busses: fix parameter check in i2c_gpio_fault_injector_init()

[Andi Shyti]

Hi Minje,

On Wed, Jul 12, 2023 at 07:22:22PM +0800, Minjie Du wrote:
> Make IS_ERR() judge the debugfs_create_dir() function return.
> 
> Signed-off-by: Minjie Du <duminjie@xxxxxxxx>
> 
> v1-v2:
> Fix judge typo.

Please next time add the changelog after the "---" section.

You will also need:

Fixes: 14911c6f48ec ("i2c: gpio: add fault injector")
Cc: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v4.16+

Said that:

Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx> 

Andi

> ---
>  drivers/i2c/busses/i2c-gpio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
> index e5a5b9e8b..545927b96 100644
> --- a/drivers/i2c/busses/i2c-gpio.c
> +++ b/drivers/i2c/busses/i2c-gpio.c
> @@ -265,7 +265,7 @@ static void i2c_gpio_fault_injector_init(struct platform_device *pdev)
>  	 */
>  	if (!i2c_gpio_debug_dir) {
>  		i2c_gpio_debug_dir = debugfs_create_dir("i2c-fault-injector", NULL);
> -		if (!i2c_gpio_debug_dir)
> +		if (IS_ERR(i2c_gpio_debug_dir))
>  			return;
>  	}
>  
> -- 
> 2.39.0
>