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From: Lee Jones <lee.jones@linaro.org>
To: David Miller <davem@davemloft.net>
Cc: pebolle@tiscali.nl, linux-kernel@vger.kernel.org,
	isdn@linux-pingi.de, netdev@vger.kernel.org
Subject: Re: [PATCH 8/9] isdn: Remove unused variable causing a compile build warning
Date: Mon, 5 Nov 2012 09:44:19 +0100	[thread overview]
Message-ID: <20121105084419.GC2699@gmail.com> (raw)
In-Reply-To: <20121104.123013.700345271120279281.davem@davemloft.net>

On Sun, 04 Nov 2012, David Miller wrote:

> From: Lee Jones <lee.jones@linaro.org>
> Date: Sun, 4 Nov 2012 11:53:32 +0100
> 
> > On Sun, 04 Nov 2012, Paul Bolle wrote:
> > 
> >> On Sat, 2012-11-03 at 23:48 +0100, Lee Jones wrote:
> >> > On Sat, 03 Nov 2012, Paul Bolle wrote:
> >> > > On Sat, 2012-11-03 at 23:02 +0100, Lee Jones wrote:
> >> > > > This patch fixes:
> >> > > > drivers/isdn/i4l/isdn_common.c: In function ‘isdn_ioctl’:
> >> > > > drivers/isdn/i4l/isdn_common.c:1278:8: warning: unused variable ‘s’ [-Wunused-variable]
> >> > > 
> >> > > Did you have CONFIG_NETDEVICES not set in this build?
> >> > 
> >> > Ah yes, I see it. The function went down further than I thought
> >> > it did. So the real fix is to ensure 's' is defined inside of
> >> > some ifdef CONFIG_NETDEVICES guards. 
> >> 
> >> What puzzles me is that we only find these "#ifdef CONFIG_NETDEVICES"
> >> guards in this file and not in isdn_net.c, were all the ioctl commands
> >> guarded that way seem to be calling into. On first glance that doesn't
> >> make much sense.
> >> 
> >> (Actually the idea of having ISDN without NETDEVICES is a bit puzzling
> >> too. But there are too many parts of the isdn subsystem that I'm
> >> unfamiliar with to say whether that can make sense.)
> > 
> > I'm in the same position as you Paul. I just noticed the warning so
> > fixed it following the current way of doing things. Any, more
> > substantial changes requiring greater knowledge of the subsystem
> > would have to be done by someone else.
> 
> I think the most appropriate thing to do is make CONFIG_ISDN depend
> upon CONFIG_NETDEVICES in the Kconfig file.

... and then remove the CONFIG_NETDEVICES guards in isdn_common.c?

If that's suitable more suitable I can do that instead?

Just need a yay or nay and I'll make it happen.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2012-11-05  8:44 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1351980150-24145-1-git-send-email-lee.jones@linaro.org>
2012-11-03 22:02 ` [PATCH 8/9] isdn: Remove unused variable causing a compile build warning Lee Jones
2012-11-03 22:40   ` Paul Bolle
2012-11-03 22:48     ` Lee Jones
2012-11-04 10:14       ` Paul Bolle
2012-11-04 10:53         ` Lee Jones
2012-11-04 17:30           ` David Miller
2012-11-05  8:44             ` Lee Jones [this message]
2012-11-05  9:11               ` Paul Bolle
2012-11-05  9:44                 ` Lee Jones
2012-11-05 16:46               ` David Miller
2012-11-05 10:31             ` [PATCH 8/9] isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES Lee Jones
2012-11-06 23:57               ` David Miller
2012-11-07  9:56                 ` Lee Jones
2012-11-04 10:28     ` [PATCH v2 8/9] isdn: Remove unused variable causing a compile build warning Lee Jones
2012-11-03 22:02 ` [PATCH 9/9] Avoid 'statement with no effect' compiler warnings Lee Jones
2012-11-04  6:00   ` David Miller
2012-11-04  7:55     ` Lee Jones

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