diff --git a/[refs] b/[refs]
index 3bd55d39e5c0..809281c0cb5e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26ce4f0684ef4b96d0244ac58b89ec282d5b980c
+refs/heads/master: b2f2ba01b2a4356e92231669f7e3dcee37ac2fca
diff --git a/trunk/drivers/usb/gadget/printer.c b/trunk/drivers/usb/gadget/printer.c
index 76be75e3ab8f..ec8f2eb041ca 100644
--- a/trunk/drivers/usb/gadget/printer.c
+++ b/trunk/drivers/usb/gadget/printer.c
@@ -462,6 +462,7 @@ printer_open(struct inode *inode, struct file *fd)
 	unsigned long		flags;
 	int			ret = -EBUSY;
 
+	lock_kernel();
 	dev = container_of(inode->i_cdev, struct printer_dev, printer_cdev);
 
 	spin_lock_irqsave(&dev->lock, flags);
@@ -477,7 +478,7 @@ printer_open(struct inode *inode, struct file *fd)
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	DBG(dev, "printer_open returned %x\n", ret);
-
+	unlock_kernel();
 	return ret;
 }