linux-kernel - Re: [PATCH v2] lib: Remove error checking for debugfs_create

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Message-ID: <2023071326-preachy-renewably-2ec8@gregkh>
Date:   Thu, 13 Jul 2023 15:53:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Wang Ming <machel@...o.com>
Cc:     Akinobu Mita <akinobu.mita@...il.com>,
        David Hildenbrand <david@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, opensource.kernel@...o.com
Subject: Re: [PATCH v2] lib: Remove error checking for debugfs_create_dir()

On Thu, Jul 13, 2023 at 04:24:43PM +0800, Wang Ming wrote:
> It is expected that most callers should _ignore_ the errors return by
> debugfs_create_dir() in err_inject_init().
> 
> Signed-off-by: Wang Ming <machel@...o.com>
> ---
>  lib/notifier-error-inject.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/lib/notifier-error-inject.c b/lib/notifier-error-inject.c
> index 2b24ea6c9497..954c3412d22d 100644
> --- a/lib/notifier-error-inject.c
> +++ b/lib/notifier-error-inject.c
> @@ -83,9 +83,6 @@ static int __init err_inject_init(void)
>  	notifier_err_inject_dir =
>  		debugfs_create_dir("notifier-error-inject", NULL);
>  
> -	if (!notifier_err_inject_dir)
> -		return -ENOMEM;
> -
>  	return 0;
>  }
>  
> -- 
> 2.25.1
> 

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created.  Hopefully you will not take offence and will fix the problem
in your patch and resubmit it so that it can be accepted into the Linux
kernel tree.

You are receiving this message because of the following common error(s)
as indicated below:

- This looks like a new version of a previously submitted patch, but you
  did not list below the --- line any changes from the previous version.
  Please read the section entitled "The canonical patch format" in the
  kernel file, Documentation/process/submitting-patches.rst for what
  needs to be done here to properly describe this.

If you wish to discuss this problem further, or you have questions about
how to resolve this issue, please feel free to respond to this email and
Greg will reply once he has dug out from the pending patches received
from other developers.

thanks,

greg k-h's patch email bot