linux-kernel - Re: [PATCH] staging: r8188eu: remove rtw

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Date:   Wed, 17 Aug 2022 21:58:03 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Michael Straube <straube.linux@...il.com>,
        gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: remove rtw_endofpktfile()

On 8/17/22 08:32, Michael Straube wrote:
> The function rtw_endofpktfile() just checks for pkt_len == 0.
> Remove rtw_endofpktfile() and merge the check into the caller to
> improve readability and simplify the driver code.
> 
> Signed-off-by: Michael Straube <straube.linux@...il.com>
> ---
>   drivers/staging/r8188eu/core/rtw_xmit.c      |  2 +-
>   drivers/staging/r8188eu/include/xmit_osdep.h |  1 -
>   drivers/staging/r8188eu/os_dep/xmit_linux.c  | 11 -----------
>   3 files changed, 1 insertion(+), 13 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
> index 24401f3ae2a0..48631ef56114 100644
> --- a/drivers/staging/r8188eu/core/rtw_xmit.c
> +++ b/drivers/staging/r8188eu/core/rtw_xmit.c
> @@ -970,7 +970,7 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct
>   
>   		frg_inx++;
>   
> -		if (bmcst || rtw_endofpktfile(&pktfile)) {
> +		if (bmcst || pktfile.pkt_len == 0) {
>   			pattrib->nr_frags = frg_inx;
>   
>   			pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) +
> diff --git a/drivers/staging/r8188eu/include/xmit_osdep.h b/drivers/staging/r8188eu/include/xmit_osdep.h
> index 00658681fef9..130dc06efe73 100644
> --- a/drivers/staging/r8188eu/include/xmit_osdep.h
> +++ b/drivers/staging/r8188eu/include/xmit_osdep.h
> @@ -40,7 +40,6 @@ void rtw_os_xmit_resource_free(struct adapter *padapter,
>   uint rtw_remainder_len(struct pkt_file *pfile);
>   void _rtw_open_pktfile(struct sk_buff *pkt, struct pkt_file *pfile);
>   uint _rtw_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen);
> -bool rtw_endofpktfile(struct pkt_file *pfile);
>   
>   void rtw_os_pkt_complete(struct adapter *padapter, struct sk_buff *pkt);
>   void rtw_os_xmit_complete(struct adapter *padapter,
> diff --git a/drivers/staging/r8188eu/os_dep/xmit_linux.c b/drivers/staging/r8188eu/os_dep/xmit_linux.c
> index 91a1e4e3219a..85ef27735b88 100644
> --- a/drivers/staging/r8188eu/os_dep/xmit_linux.c
> +++ b/drivers/staging/r8188eu/os_dep/xmit_linux.c
> @@ -54,17 +54,6 @@ uint _rtw_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen)
>   	return len;
>   }
>   
> -bool rtw_endofpktfile(struct pkt_file *pfile)
> -{
> -
> -	if (pfile->pkt_len == 0) {
> -
> -		return true;
> -	}
> -
> -	return false;
> -}
> -
>   int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitbuf, u32 alloc_sz)
>   {
>   	pxmitbuf->pallocated_buf = kzalloc(alloc_sz, GFP_KERNEL);

Tested with Edimax N150 and
Reviewed-by: Philipp Hortmann <philipp.g.hortmann@...il.com>