linux-kernel - Re: [PATCH] Replace IS_ENABLED(CONFIG

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Message-Id: <20120315.205139.858349725408037483.davem@davemloft.net>
Date:	Thu, 15 Mar 2012 20:51:39 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	tony@...eyournoodle.com
Cc:	robert.w.love@...el.com, JBottomley@...allels.com,
	devel@...n-fcoe.org, netdev@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Replace IS_ENABLED(CONFIG_FCOE) in linux/netdevice.h

From: Tony Breeds <tony@...eyournoodle.com>
Date: Fri, 16 Mar 2012 11:30:15 +1100

> On platforms that (or configs that do not have PCI support building any
> code that includes linux/netdevice.h we see the following warnings:
> 
> include/linux/netdevice.h:964:1: warning: "__enabled_CONFIG_FCOE" is not defined [-Wundef]
> include/linux/netdevice.h:964:1: warning: "__enabled_CONFIG_FCOE_MODULE" is not defined [-Wundef]
> 
> In the case of this file we can trivially fallback to the old school
>  #if defined(...) syntax.
> 
> Signed-off-by: Tony Breeds <tony@...eyournoodle.com>

Fix IS_ENABLED to handle cases like this so we don't need special
cases like this scattered around the tree.
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