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Subject[patch 05/28] drivers: Remove BKL from drivers/char/misc.c
misc_open() is already serialized with misc_mtx. Remove the BKL
locking which got there via the BKL pushdown.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/misc.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
Index: linux-2.6-tip/drivers/char/misc.c
===================================================================
--- linux-2.6-tip.orig/drivers/char/misc.c
+++ linux-2.6-tip/drivers/char/misc.c
@@ -49,7 +49,6 @@
#include <linux/device.h>
#include <linux/tty.h>
#include <linux/kmod.h>
-#include <linux/smp_lock.h>

/*
* Head entry for the doubly linked miscdevice list
@@ -118,8 +117,7 @@ static int misc_open(struct inode * inod
struct miscdevice *c;
int err = -ENODEV;
const struct file_operations *old_fops, *new_fops = NULL;
-
- lock_kernel();
+
mutex_lock(&misc_mtx);

list_for_each_entry(c, &misc_list, list) {
@@ -157,7 +155,6 @@ static int misc_open(struct inode * inod
fops_put(old_fops);
fail:
mutex_unlock(&misc_mtx);
- unlock_kernel();
return err;
}




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