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-rw-r--r--drivers/char/misc.c5
1 files changed, 1 insertions, 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 @@
49#include <linux/device.h> 49#include <linux/device.h>
50#include <linux/tty.h> 50#include <linux/tty.h>
51#include <linux/kmod.h> 51#include <linux/kmod.h>
52#include <linux/smp_lock.h>
53 52
54/* 53/*
55 * Head entry for the doubly linked miscdevice list 54 * Head entry for the doubly linked miscdevice list
@@ -118,8 +117,7 @@ static int misc_open(struct inode * inode, struct file * file)
118 struct miscdevice *c; 117 struct miscdevice *c;
119 int err = -ENODEV; 118 int err = -ENODEV;
120 const struct file_operations *old_fops, *new_fops = NULL; 119 const struct file_operations *old_fops, *new_fops = NULL;
121 120
122 lock_kernel();
123 mutex_lock(&misc_mtx); 121 mutex_lock(&misc_mtx);
124 122
125 list_for_each_entry(c, &misc_list, list) { 123 list_for_each_entry(c, &misc_list, list) {
@@ -157,7 +155,6 @@ static int misc_open(struct inode * inode, struct file * file)
157 fops_put(old_fops); 155 fops_put(old_fops);
158fail: 156fail:
159 mutex_unlock(&misc_mtx); 157 mutex_unlock(&misc_mtx);
160 unlock_kernel();
161 return err; 158 return err;
162} 159}
163 160