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Message-Id: <1229345909-27229-3-git-send-email-markmc@redhat.com>
Date:	Mon, 15 Dec 2008 12:58:28 +0000
From:	Mark McLoughlin <markmc@...hat.com>
To:	Greg KH <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Anthony Liguori <aliguori@...ibm.com>,
	Kay Sievers <kay.sievers@...y.org>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Mark McLoughlin <markmc@...hat.com>
Subject: [PATCH 3/4] lguest: do not statically allocate root device

We shouldn't be statically allocating the root device object,
so dynamically allocate it using root_device_register()
instead.

Signed-off-by: Mark McLoughlin <markmc@...hat.com>
---
 drivers/lguest/lguest_device.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 915da6b..b4d44e5 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -321,10 +321,7 @@ static struct virtio_config_ops lguest_config_ops = {
 
 /* The root device for the lguest virtio devices.  This makes them appear as
  * /sys/devices/lguest/0,1,2 not /sys/devices/0,1,2. */
-static struct device lguest_root = {
-	.parent = NULL,
-	.bus_id = "lguest",
-};
+static struct device *lguest_root;
 
 /*D:120 This is the core of the lguest bus: actually adding a new device.
  * It's a separate function because it's neater that way, and because an
@@ -351,7 +348,7 @@ static void add_lguest_device(struct lguest_device_desc *d,
 	}
 
 	/* This devices' parent is the lguest/ dir. */
-	ldev->vdev.dev.parent = &lguest_root;
+	ldev->vdev.dev.parent = lguest_root;
 	/* We have a unique device index thanks to the dev_index counter. */
 	ldev->vdev.id.device = d->type;
 	/* We have a simple set of routines for querying the device's
@@ -407,7 +404,8 @@ static int __init lguest_devices_init(void)
 	if (strcmp(pv_info.name, "lguest") != 0)
 		return 0;
 
-	if (device_register(&lguest_root) != 0)
+	lguest_root = root_device_register("lguest");
+	if (IS_ERR(lguest_root))
 		panic("Could not register lguest root");
 
 	/* Devices are in a single page above top of "normal" mem */
-- 
1.5.4.3

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