linux-kernel - Re: [PATCH v3 1/7] staging: r8188eu: remove unused member free_bss

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Message-ID: <YmA12QUKhueVTOfC@kroah.com>
Date:   Wed, 20 Apr 2022 18:33:29 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Jaehee Park <jhpark1013@...il.com>
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        outreachy@...ts.linux.dev, Pavel Skripkin <paskripkin@...il.com>
Subject: Re: [PATCH v3 1/7] staging: r8188eu: remove unused member
 free_bss_buf

On Tue, Apr 19, 2022 at 02:19:32PM -0400, Jaehee Park wrote:
> The free_bss_buf member of pmlmepriv is unused. Remove all related
> lines.
> 
> Suggested-by: Pavel Skripkin <paskripkin@...il.com>
> Signed-off-by: Jaehee Park <jhpark1013@...il.com>
> ---
>  drivers/staging/r8188eu/include/rtw_mlme.h |  1 -
>  drivers/staging/r8188eu/core/rtw_mlme.c    | 21 +--------------------
>  2 files changed, 1 insertion(+), 21 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/include/rtw_mlme.h b/drivers/staging/r8188eu/include/rtw_mlme.h
> index 1dc1fbf049af..0f03ac43079c 100644
> --- a/drivers/staging/r8188eu/include/rtw_mlme.h
> +++ b/drivers/staging/r8188eu/include/rtw_mlme.h
> @@ -319,7 +319,6 @@ struct mlme_priv {
>  	struct list_head *pscanned;
>  	struct __queue free_bss_pool;
>  	struct __queue scanned_queue;
> -	u8 *free_bss_buf;
>  	u8	key_mask; /* use to restore wep key after hal_init */
>  	u32	num_of_scanned;
>  
> diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c
> index 3e9882f89f76..8af11626a3e7 100644
> --- a/drivers/staging/r8188eu/core/rtw_mlme.c
> +++ b/drivers/staging/r8188eu/core/rtw_mlme.c
> @@ -33,8 +33,7 @@ u8 rtw_to_roaming(struct adapter *adapter)
>  static int _rtw_init_mlme_priv(struct adapter *padapter)
>  {
>  	int	i;
> -	u8	*pbuf;
> -	struct wlan_network	*pnetwork;
> +	struct wlan_network	*pnetwork = NULL;

Why did you add this line?  It caused the real error to be ignored that
the compiler was trying to tell you :(