From 8324af6dddac11f9f7e9df8b784f6949ddb61b5d Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 20 May 2008 19:15:40 +0200
Subject: [PATCH] bluetooth-vhci: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/bluetooth/hci_vhci.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 0638730a4a1..7734bc9af3c 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -28,6 +28,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
@@ -263,9 +264,11 @@ static int vhci_open(struct inode *inode, struct file *file)
 	skb_queue_head_init(&data->readq);
 	init_waitqueue_head(&data->read_wait);
 
+	lock_kernel();
 	hdev = hci_alloc_dev();
 	if (!hdev) {
 		kfree(data);
+		unlock_kernel();
 		return -ENOMEM;
 	}
 
@@ -286,10 +289,12 @@ static int vhci_open(struct inode *inode, struct file *file)
 		BT_ERR("Can't register HCI device");
 		kfree(data);
 		hci_free_dev(hdev);
+		unlock_kernel();
 		return -EBUSY;
 	}
 
 	file->private_data = data;
+	unlock_kernel();
 
 	return nonseekable_open(inode, file);
 }
-- 
2.41.1