linux-kernel - Re: [PATCH] drivers: wlan-ng: fixed a coding style issue

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Date:   Thu, 22 Sep 2016 11:27:00 -0700
From:   Joe Perches <joe@...ches.com>
To:     Jannik Becher <becher.jannik@...il.com>, gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: wlan-ng: fixed a coding style issue

On Thu, 2016-09-22 at 20:01 +0200, Jannik Becher wrote:
> changed comparison "wlandev == NULL" to "!wlandev" to obtain the coding
> style.

Hello.

Please always use Greg KH's latest staging-next branch (or -next)
to make these sorts of changes.  This one has already been done.

https://git.kernel.org/cgit/linux/kernel/git/gregkh/staging.git/
$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
$ cd staging
$ git checkout staging-next

> diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c
[]
> @@ -305,7 +305,7 @@ static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
>  
>  	memset(sinfo, 0, sizeof(*sinfo));
>  
> -	if ((wlandev == NULL) || (wlandev->msdstate != WLAN_MSD_RUNNING))
> +	if ((!wlandev) || (wlandev->msdstate != WLAN_MSD_RUNNING))

And it might be nicer without the unnecessary parentheses too

	if (!wlandev || wlandev->msdstate != WLAN_MSD_RUNNING)