From: Lee Jones <lee.jo...@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.
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