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Date:	Mon, 29 Mar 2010 16:34:28 +1100
From:	Stephen Rothwell <>
To:	Tejun Heo <>
	Daniel Mack <>, Takashi Iwai <>
Subject: linux-next: build failure after merge of the slabh tree

Hi Tejun,

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

sound/usb/endpoint.c: In function 'free_substream':
sound/usb/endpoint.c:47: error: implicit declaration of function 'kfree'
sound/usb/endpoint.c: In function 'snd_usb_add_audio_endpoint':
sound/usb/endpoint.c:118: error: implicit declaration of function 'kzalloc'
sound/usb/endpoint.c:118: warning: assignment makes pointer from integer without a cast
sound/usb/endpoint.c: In function 'snd_usb_parse_audio_endpoints':
sound/usb/endpoint.c:289: warning: assignment makes pointer from integer without a cast

Caused by commit d103d3b3e8512312b5254950035366d4422a479a ("percpu: don't
implicitly include slab.h from percpu.h") from the slabh tree interacting
with commit e5779998bf8b70e48a6cc208c8b61b33bd6117ea ("ALSA: usb-audio:
refactor code") from the sound tree.

I applied the following merge fixup patch which should be applied to the
sound tree (see Documentation/SubmitChecklist Rule #1 :-)).

From: Stephen Rothwell <>
Date: Mon, 29 Mar 2010 16:32:36 +1100
Subject: [PATCH] sound: usb endpoint: use of kzalloc/kfree requires the include of slab.h

Signed-off-by: Stephen Rothwell <>
 sound/usb/endpoint.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 7b84b61..ef07a6d 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/usb.h>
 #include <linux/usb/audio.h>
 #include <linux/usb/audio-v2.h>

Stephen Rothwell          
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