linux-kernel - Re: [PATCH] wireless: make WEXT_SPY and WEXT_PRIV select WEXT

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Date:	Fri, 9 Oct 2009 09:32:02 -0700
From:	Greg KH <gregkh@...e.de>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>, devel@...verdev.osuosl.org,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wireless: make WEXT_SPY and WEXT_PRIV select WEXT_CORE

On Fri, Oct 09, 2009 at 06:14:06PM +0200, Johannes Berg wrote:
> On Fri, 2009-10-09 at 09:06 -0700, Randy Dunlap wrote:
> 
> > >  menuconfig WLAN
> > >  	bool "Wireless LAN"
> > >  	depends on !S390
> > > +	select WIRELESS
> > >  	default y
> > >  	---help---
> > >  	  This section contains all the pre 802.11 and 802.11 wireless
> > 
> > 
> > I suppose that's OK, although I prefer "depends" rather than "select".
> 
> I tend to as well, but in this case the WIRELESS itself is just an
> option that makes other options invisible, it's not used elsewhere, and
> as such I think this is ok -- why hide the wireless drivers unless the
> user first selects the wireless core options?
> 
> OTOH, you already need to select cfg80211/mac80211 for most drivers, so
> I suppose "depends on WIRELESS" would be ok too.
> 
> > I tracked down one of the problems that I was seeing:
> > 
> > net/wireless/wext-priv.c:206: error: implicit declaration of function 'call_commit_handler'
> > 
> > with:
> > # CONFIG_WIRELESS is not set
> > CONFIG_WIRELESS_EXT=y
> > CONFIG_WEXT_PRIV=y
> > 
> > This is being caused by several drivers in drivers/staging/ doing
> > 	select WEXT_PRIV
> > without using either enough dependencies or even more (ugly) selects.
> > (or just because kconfig isn't sufficient)
> 
> Hah, staging/, well, that's kinda hard to solve I guess. Except by
> fixing all the staging/ drivers to depend on WIRELESS too, like the
> patch would do for the regular drivers.

That's fine, I'll gladly take patches to do that.

thanks,

greg k-h
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