linux-kernel - [PATCH] input: remove BKL from uinput open function

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Date:	Fri, 29 Jan 2010 19:23:16 -0200
From:	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] input: remove BKL from uinput open function

Commit 8702965848ed4bee27486a3e3d2ae34ebba6dd83 has push 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@...oscopio.com>
---
 drivers/input/misc/uinput.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index d3f5724..18206e1 100644
--- a/drivers/input/misc/uinput.c
+++ b/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>
@@ -284,7 +283,6 @@ 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);
@@ -292,7 +290,6 @@ static int uinput_open(struct inode *inode, struct file *file)
 	newdev->state = UIST_NEW_DEVICE;
 
 	file->private_data = newdev;
-	unlock_kernel();
 
 	return 0;
 }
-- 
1.6.6

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