linux-kernel - Re: linux-next: wireless/kbuild tree build failure

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Date:	Tue, 6 Oct 2009 10:37:55 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Sam Ravnborg <sam@...nborg.org>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: linux-next: wireless/kbuild tree build failure

On Tue, Oct 06, 2009 at 10:10:58AM -0400, John W. Linville wrote:
> On Tue, Oct 06, 2009 at 04:16:39PM +1100, Stephen Rothwell wrote:
> > Hi John,
> > 
> > Today's linux-next build (i386 defconfig) failed like this:
> > 
> > net/wireless/ethtool.c:1:30: error: linux/utsrelease.h: No such file or directory
> > net/wireless/ethtool.c: In function 'cfg80211_get_drvinfo':
> > net/wireless/ethtool.c:13: error: 'UTS_RELEASE' undeclared (first use in this function)
> > 
> > Caused by commit fdd4b63be177e74b9346a557b75f4b48f3a42ee1 ("wireless:
> > implement basic ethtool support for cfg80211 devices").
> > 
> > utsrelease.h is now in include/generated after commit
> > bbae701f7f258b051ed199ef71c5e85e683c0fb8 ("kbuild: move utsrelease.h to
> > include/generated") from the kbuild tree.  (My other builds only worked
> > because utsrelease.h was left over in include/linux from previous builds.)
> > 
> > I have reverted the kbuild commit for today.  Sam, we need to come up
> > with a better solution ... maybe for one release we could have the old
> > files including the new files ... maybe remove the old files after
> > 2.6.33-rc2 ...
> 
> It looks like not much uses utsrelease.h -- should I be using something
> else to get a version identifier for the running kernel?

Looks like this would be better...forgive me for being way behind
the times!

diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c
index bec385c..ca4c825 100644
--- a/net/wireless/ethtool.c
+++ b/net/wireless/ethtool.c
@@ -1,4 +1,4 @@
-#include <linux/utsrelease.h>
+#include <linux/utsname.h>
 #include <net/cfg80211.h>
 #include "ethtool.h"
 
@@ -10,7 +10,7 @@ static void cfg80211_get_drvinfo(struct net_device *dev,
 	strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
 		sizeof(info->driver));
 
-	strlcpy(info->version, UTS_RELEASE, sizeof(info->version));
+	strlcpy(info->version, init_utsname()->release, sizeof(info->version));
 
 	if (wdev->wiphy->fw_version[0])
 		strncpy(info->fw_version, wdev->wiphy->fw_version,
-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.
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