Input: uinput - remove BKL from uinput_open function

Commit 8702965 pushed down the BKL
into uinput open function. However, there's nothing that needs locking
in there.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/misc/uinput.c

@@ -34,7 +34,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/fs.h>
 #include <linux/miscdevice.h>
 #include <linux/uinput.h>
@@ -284,15 +283,13 @@ static int uinput_open(struct inode *inode, struct file *file)
 	if (!newdev)
 		return -ENOMEM;
 
-	lock_kernel();
 	mutex_init(&newdev->mutex);
 	spin_lock_init(&newdev->requests_lock);
 	init_waitqueue_head(&newdev->requests_waitq);
 	init_waitqueue_head(&newdev->waitq);
 	newdev->state = UIST_NEW_DEVICE;
 
 	file->private_data = newdev;
-	unlock_kernel();
 
 	return 0;
 }