linux-kernel - Re: [PATCH] staging: rtl8723bs: do not use assignment in if condition

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Message-ID: <20180622104007.ob5nt2rip2fu436h@mwanda>
Date:   Fri, 22 Jun 2018 13:40:07 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Michael Straube <michael.straube@...teo.de>
Cc:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8723bs: do not use assignment in if condition

On Thu, Jun 21, 2018 at 08:22:30PM +0200, Michael Straube wrote:
> Fix checkpatch error 'do not use assignment in if condition'.
> 
> Signed-off-by: Michael Straube <michael.straube@...teo.de>
> ---
>  drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
> index e55895632921..87a4ced41028 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
> @@ -1181,9 +1181,8 @@ void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr)
>  	     (mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) ||
>  	    ((mac[0] == 0x00) && (mac[1] == 0x00) && (mac[2] == 0x00) &&
>  	     (mac[3] == 0x00) && (mac[4] == 0x00) && (mac[5] == 0x00))) {
> -		if (np &&
> -		    (addr = of_get_property(np, "local-mac-address", &len)) &&
> -		    len == ETH_ALEN) {
> +		addr = of_get_property(np, "local-mac-address", &len);
> +		if (np && addr && len == ETH_ALEN) {

You can remove the "np" check.

		if (addr && len == ETH_ALEN) {

regards,
dan carpenter