[PATCH 3/3, RFC] remove BKL from misc_open()

[Arnd Bergmann]

Since all misc drivers that have an open() function now take the
BKL in there, there is no longer the need to take it in the common
misc_open() function.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

---
Index: linux-2.6/drivers/char/misc.c
===================================================================
--- linux-2.6.orig/drivers/char/misc.c
+++ linux-2.6/drivers/char/misc.c
@@ -50,7 +50,6 @@
 #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
@@ -121,7 +120,6 @@ static int misc_open(struct inode * inod
 	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) {
@@ -159,7 +157,6 @@ static int misc_open(struct inode * inod
 	fops_put(old_fops);
 fail:
 	mutex_unlock(&misc_mtx);
-	unlock_kernel();
 	return err;
 }
 

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