X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fusb%2Fusb-skeleton.c;h=61522787f39cdd4f2fbfd99d7467be4c62757031;hb=d7be0ce6afb1df60bc786f57410407ceae92b994;hp=e94176bfd2726f8a69e2a34120494762c93a9c19;hpb=86266452f80545285c14e20a8024f79c4fb88a86;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
index e94176bfd272..61522787f39c 100644
--- a/drivers/usb/usb-skeleton.c
+++ b/drivers/usb/usb-skeleton.c
@@ -18,7 +18,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kref.h>
-#include <linux/smp_lock.h>
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/mutex.h>
@@ -91,7 +90,6 @@ static int skel_open(struct inode *inode, struct file *file)
 	int subminor;
 	int retval = 0;
 
-	lock_kernel();
 	subminor = iminor(inode);
 
 	interface = usb_find_interface(&skel_driver, subminor);
@@ -137,7 +135,6 @@ static int skel_open(struct inode *inode, struct file *file)
 	mutex_unlock(&dev->io_mutex);
 
 exit:
-	unlock_kernel();
 	return retval;
 }