Input: mousedev - remove BKL

There's no need for BKL in mousedev, relevan protection is provided by
a private mutex.

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

diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index a13d80f..f34b22b 100644 (file)
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -15,7 +15,6 @@
 
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -542,10 +541,8 @@ static int mousedev_open(struct inode *inode, struct file *file)
        if (i >= MOUSEDEV_MINORS)
                return -ENODEV;
 
-       lock_kernel();
        error = mutex_lock_interruptible(&mousedev_table_mutex);
        if (error) {
-               unlock_kernel();
                return error;
        }
        mousedev = mousedev_table[i];
@@ -554,7 +551,6 @@ static int mousedev_open(struct inode *inode, struct file *file)
        mutex_unlock(&mousedev_table_mutex);
 
        if (!mousedev) {
-               unlock_kernel();
                return -ENODEV;
        }
 
@@ -575,7 +571,6 @@ static int mousedev_open(struct inode *inode, struct file *file)
                goto err_free_client;
 
        file->private_data = client;
-       unlock_kernel();
        return 0;
 
  err_free_client:
@@ -583,7 +578,6 @@ static int mousedev_open(struct inode *inode, struct file *file)
        kfree(client);
  err_put_mousedev:
        put_device(&mousedev->dev);
-       unlock_kernel();
        return error;
 }