bluetooth-vhci: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 0638730a4a19636b7e9db504959725ada6f29895..7734bc9af3ca706707a455b736825a1af4a698ea 100644 (file)
--- 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);
 }