Input: serio_raw - remove BKL

serio_raw open function already uses a mutex. Also change formatting
a bit.

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/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 27fdaaf..9986648 100644 (file)
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -81,12 +81,12 @@ static int serio_raw_open(struct inode *inode, struct file *file)
        struct serio_raw_list *list;
        int retval = 0;
 
-       lock_kernel();
        retval = mutex_lock_interruptible(&serio_raw_mutex);
        if (retval)
-               goto out_bkl;
+               return retval;
 
-       if (!(serio_raw = serio_raw_locate(iminor(inode)))) {
+       serio_raw = serio_raw_locate(iminor(inode));
+       if (!serio_raw) {
                retval = -ENODEV;
                goto out;
        }
@@ -96,7 +96,8 @@ static int serio_raw_open(struct inode *inode, struct file *file)
                goto out;
        }
 
-       if (!(list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL))) {
+       list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL);
+       if (!list) {
                retval = -ENOMEM;
                goto out;
        }
@@ -109,8 +110,6 @@ static int serio_raw_open(struct inode *inode, struct file *file)
 
 out:
        mutex_unlock(&serio_raw_mutex);
-out_bkl:
-       unlock_kernel();
        return retval;
 }