1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 426bfc72b9b4..8588c0937a89 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -26,7 +26,6 @@
 #include <linux/uaccess.h>
 #include <linux/kref.h>
 #include <linux/mutex.h>
-#include <linux/smp_lock.h>
 #include <linux/usb.h>
 #include <linux/usb/tmc.h>
 
@@ -114,7 +113,6 @@ static int usbtmc_open(struct inode *inode, struct file *filp)
         struct usbtmc_device_data *data;
         int retval = 0;
 
-        lock_kernel();
         intf = usb_find_interface(&usbtmc_driver, iminor(inode));
         if (!intf) {
                 printk(KERN_ERR KBUILD_MODNAME
@@ -130,7 +128,6 @@ static int usbtmc_open(struct inode *inode, struct file *filp)
         filp->private_data = data;
 
 exit:
-        unlock_kernel();
         return retval;
 }