linux-kernel - Re: [PATCH] staging: isdn: hysdn: fix symbol 'hysdn_proc

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Message-ID: <20190605142034.GA8803@kroah.com>
Date:   Wed, 5 Jun 2019 16:20:34 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Valerio Genovese <valerio.click@...il.com>
Cc:     isdn@...ux-pingi.de, netdev@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: isdn: hysdn: fix symbol 'hysdn_proc_entry' was
 not declared.

On Wed, Jun 05, 2019 at 03:53:49PM +0200, Valerio Genovese wrote:
> This was reported by sparse:
> drivers/staging/isdn/hysdn/hysdn_procconf.c:352:23: warning: symbol 'hysdn_proc_entry' was not declared. Should it be static?
> 
> Signed-off-by: Valerio Genovese <valerio.click@...il.com>
> ---
>  drivers/staging/isdn/hysdn/hysdn_defs.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/isdn/hysdn/hysdn_defs.h b/drivers/staging/isdn/hysdn/hysdn_defs.h
> index cdac46a21692..a651686b1787 100644
> --- a/drivers/staging/isdn/hysdn/hysdn_defs.h
> +++ b/drivers/staging/isdn/hysdn/hysdn_defs.h
> @@ -221,7 +221,7 @@ typedef struct hycapictrl_info hycapictrl_info;
>  /* exported vars */
>  /*****************/
>  extern hysdn_card *card_root;	/* pointer to first card */
> -
> +extern struct proc_dir_entry *hysdn_proc_entry; /* hysdn subdir in /proc/net
>  
>  
>  /*************************/

Shouldn't you also remove it from the place it was devlared as extern?

Also, this is code on its way out of the kernel, not a big deal to leave
it alone for now.

thanks,

greg k-h