media_build failures on 3.0.6 Gentoo

Hi,

I get this build failure:

lin-tv src # git clone git://linuxtv.org/media_build.git
lin-tv src # cd media_build/
lin-tv media_build # ./build
Checking if the needed tools are present
Needed package dependencies are met.

************************************************************
* This script will download the latest tarball and build it*
* Assuming that your kernel is compatible with the latest *
* drivers. If not, you'll need to add some extra backports,*
* ./backports/<kernel> directory. *
* It will also update this tree to be sure that all compat *
* bits are there, to avoid compilation failures *
************************************************************
************************************************************

* All drivers and build system are under GPLv2 License     *
* Firmware files are under the license terms found at:     *
* http://www.linuxtv.org/downloads/firmware/               *
* Please abort if you don't agree with the license         *

************************************************************

****************************
Updating the building system
****************************
From git://linuxtv.org/media_build
* branch master -> FETCH_HEAD
Already up-to-date.
make: Entering directory `/usr/src/media_build/linux'
wget http://linuxtv.org/downloads/drivers/linux-media-LATEST.tar.bz2.md5 -O linux-media.tar.bz2.md5.tmp --2011-12-21 11:42:05-- http://linuxtv.org/downloads/drivers/linux-media-LATEST.tar.bz2.md5
Resolving linuxtv.org... 130.149.80.248
Connecting to linuxtv.org|130.149.80.248|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 93 [application/x-bzip2]
Saving to: `linux-media.tar.bz2.md5.tmp'

100%[=============================================================================>] 93 --.-K/s in 0s

2011-12-21 11:42:05 (11.1 MB/s) - `linux-media.tar.bz2.md5.tmp' saved [93/93]

<snip>

LD [M] /usr/src/media_build/v4l/m5mols.o

  CC [M]  /usr/src/media_build/v4l/s5k6aa.o
  CC [M]  /usr/src/media_build/v4l/adp1653.o
  CC [M]  /usr/src/media_build/v4l/as3645a.o

/usr/src/media_build/v4l/as3645a.c: In function 'as3645a_probe':
/usr/src/media_build/v4l/as3645a.c:815:2: error: implicit declaration of function 'kzalloc' /usr/src/media_build/v4l/as3645a.c:815:8: warning: assignment makes pointer from integer without a cast make[3]: *** [/usr/src/media_build/v4l/as3645a.o] Error 1
make[2]: *** [_module_/usr/src/media_build/v4l] Error 2
make[2]: Leaving directory `/usr/src/linux-3.0.6-gentoo'
make[1]: *** [default] Error 2
make[1]: Leaving directory `/usr/src/media_build/v4l'
make: *** [all] Error 2
build failed at ./build line 380.
lin-tv media_build #

Regards,

/Fredrik

Hi Fredrik,

[snip]

Could you please test this patch ?

From: Laurent Pinchart <[email protected]>
Date: Mon, 9 Jan 2012 00:18:19 +0100
Subject: [PATCH] as3645a: Fix compilation by including slab.h

The as3645a driver calls kzalloc(). Include slab.h.

---
 drivers/media/video/as3645a.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

index ec859a5..f241702 100644
@@ -29,6 +29,7 @@
 #include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 
 #include <media/as3645a.h>
 #include <media/v4l2-ctrls.h>

Regards,

Laurent Pinchart