linux-kernel - Re: [PATCH 4.19 049/206] staging: rtl8712: fix multiline derefernce warnings

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Date:   Tue, 23 Jun 2020 15:09:10 -0700
From:   Joe Perches <joe@...ches.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     stable@...r.kernel.org, Aiman Najjar <aiman.najjar@...ranet.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 049/206] staging: rtl8712: fix multiline derefernce
 warnings

On Tue, 2020-06-23 at 21:56 +0200, Greg Kroah-Hartman wrote:
> From: Aiman Najjar <aiman.najjar@...ranet.com>
> 
> [ Upstream commit 269da10b1477c31c660288633c8d613e421b131f ]
> 
> This patch fixes remaining checkpatch warnings
> in rtl871x_xmit.c:

IMO: unless necessary for another patch, these types
of whitespace or renaming only conversions patches
should not be applied to stable.

> WARNING: Avoid multiple line dereference - prefer 'psecuritypriv->PrivacyKeyIndex'
> 636: FILE: drivers/staging//rtl8712/rtl871x_xmit.c:636:
> +					      (u8)psecuritypriv->
> +					      PrivacyKeyIndex);
> 
> WARNING: Avoid multiple line dereference - prefer 'psecuritypriv->XGrpKeyid'
> 643: FILE: drivers/staging//rtl8712/rtl871x_xmit.c:643:
> +						   (u8)psecuritypriv->
> +						   XGrpKeyid);
> 
> WARNING: Avoid multiple line dereference - prefer 'psecuritypriv->XGrpKeyid'
> 652: FILE: drivers/staging//rtl8712/rtl871x_xmit.c:652:
> +						   (u8)psecuritypriv->
> +						   XGrpKeyid);
> 
> Signed-off-by: Aiman Najjar <aiman.najjar@...ranet.com>
> Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>
> Link: https://lore.kernel.org/r/98805a72b92e9bbf933e05b827d27944663b7bc1.1585508171.git.aiman.najjar@hurranet.com
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  drivers/staging/rtl8712/rtl871x_xmit.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c
> index a8ae14ce66139..95d5c050a8947 100644
> --- a/drivers/staging/rtl8712/rtl871x_xmit.c
> +++ b/drivers/staging/rtl8712/rtl871x_xmit.c
> @@ -601,7 +601,7 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
>  	addr_t addr;
>  	u8 *pframe, *mem_start, *ptxdesc;
>  	struct sta_info		*psta;
> -	struct security_priv	*psecuritypriv = &padapter->securitypriv;
> +	struct security_priv	*psecpriv = &padapter->securitypriv;
>  	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
>  	struct xmit_priv	*pxmitpriv = &padapter->xmitpriv;
>  	struct pkt_attrib	*pattrib = &pxmitframe->attrib;
> @@ -644,15 +644,13 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
>  				case _WEP40_:
>  				case _WEP104_:
>  					WEP_IV(pattrib->iv, psta->txpn,
> -					       (u8)psecuritypriv->
> -					       PrivacyKeyIndex);
> +					       (u8)psecpriv->PrivacyKeyIndex);
>  					break;
>  				case _TKIP_:
>  					if (bmcst)
>  						TKIP_IV(pattrib->iv,
>  						    psta->txpn,
> -						    (u8)psecuritypriv->
> -						    XGrpKeyid);
> +						    (u8)psecpriv->XGrpKeyid);
>  					else
>  						TKIP_IV(pattrib->iv, psta->txpn,
>  							0);
> @@ -660,8 +658,7 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt,
>  				case _AES_:
>  					if (bmcst)
>  						AES_IV(pattrib->iv, psta->txpn,
> -						    (u8)psecuritypriv->
> -						    XGrpKeyid);
> +						    (u8)psecpriv->XGrpKeyid);
>  					else
>  						AES_IV(pattrib->iv, psta->txpn,
>  						       0);