linux-kernel - linux-next: build failure after merge of the backlight tree

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Message-Id: <20100510124304.2249532c.sfr@canb.auug.org.au>
Date:	Mon, 10 May 2010 12:43:04 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Richard Purdie <rpurdie@...ys.net>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michael Hennerich <michael.hennerich@...log.com>,
	Mike Frysinger <vapier@...too.org>
Subject: linux-next: build failure after merge of the backlight tree

Hi Richard,

After merging the backlight tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/video/backlight/adp8860_bl.c: In function 'adp8860_led_probe':
drivers/video/backlight/adp8860_bl.c:215: error: implicit declaration of function 'kzalloc'
drivers/video/backlight/adp8860_bl.c:215: warning: assignment makes pointer from integer without a cast
drivers/video/backlight/adp8860_bl.c:285: error: implicit declaration of function 'kfree'
drivers/video/backlight/adp8860_bl.c: In function 'adp8860_probe':
drivers/video/backlight/adp8860_bl.c:673: warning: assignment makes pointer from integer without a cast
drivers/video/backlight/adp8860_bl.c:689: error: too few arguments to function 'backlight_device_register'

Caused by commit 6f1a02240dba279a389fd4a4138445bd3f13f67f ("backlight:
new driver for the ADP8860 backlight parts").  Use of kzalloc or kfree
requires including linux/slab.h (see Rule 1 in
Documentation/SubmitChecklist) and the prototype of
backlight_device_register changed before v2.6.34-rc2.

Was this even build tested?

I have used the version of the backlight tree from next-20100507 for
today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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