Re: [PATCH] ucd9000.c: Drop error checking for debugfs_create_dir

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On Thu, May 25, 2023 at 09:13:13PM +0500, Osama Muhammad wrote:
> This patch fixes the error checking in ucd9000.c.

Sure, but you should also explain what is wrong with the code
(i.e., that debugfs_create_dir() does not return NULL but an ERR_PTR
after an error).

> The DebugFS kernel API is developed in
> a way that the caller can safely ignore the errors that
> occur during the creation of DebugFS nodes.
> 

If you plan t send more patches, please watch out for the subject line
to match subject lines used in a subsystem. Here it should start with
something like

hwmon: (pmbus/ucd9000) ...

Thanks,
Guenter

> Signed-off-by: Osama Muhammad <osmtendev@xxxxxxxxx>
> ---
>  drivers/hwmon/pmbus/ucd9000.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
> index 3daaf2237832..73559afa8ba7 100644
> --- a/drivers/hwmon/pmbus/ucd9000.c
> +++ b/drivers/hwmon/pmbus/ucd9000.c
> @@ -512,8 +512,6 @@ static int ucd9000_init_debugfs(struct i2c_client *client,
>  		return -ENOENT;
>  
>  	data->debugfs = debugfs_create_dir(client->name, debugfs);
> -	if (!data->debugfs)
> -		return -ENOENT;
>  
>  	/*
>  	 * Of the chips this driver supports, only the UCD9090, UCD90160,
> -- 
> 2.34.1
> 



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