From 40b798efe3460797a4ac928ee2e038774e2758eb Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sat, 10 Oct 2009 15:35:43 +0000 Subject: [PATCH] drivers: Remove BKL from misc_open misc_open() is already serialized with misc_mtx. Remove the BKL locking which got there via the BKL pushdown. Signed-off-by: Thomas Gleixner Cc: Greg Kroah-Hartman LKML-Reference: <20091010153349.237173041@linutronix.de> --- drivers/char/misc.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 07fa612a58d5..96f1cd086dd2 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -49,7 +49,6 @@ #include #include #include -#include /* * Head entry for the doubly linked miscdevice list @@ -118,8 +117,7 @@ static int misc_open(struct inode * inode, struct file * file) 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 * inode, struct file * file) fops_put(old_fops); fail: mutex_unlock(&misc_mtx); - unlock_kernel(); return err; } -- 2.34.1