USB-BKL: Convert usb_driver ioctl to unlocked_ioctl

And audit all the users. None needed the BKL.  That was easy
because there was only very few around.

Tested with allmodconfig build on x86-64

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
From: Andi Kleen <ak@linux.intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 16dffe99d9f1..0cfbd789ddf2 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1548,6 +1548,7 @@ fail:
  * off just killing the userspace task and waiting for it to exit.
  */
 
+/* No BKL needed */
 static int
 usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf)
 {
@@ -2170,7 +2171,7 @@ static struct usb_driver usbtest_driver = {
         .name =         "usbtest",
         .id_table =     id_table,
         .probe =        usbtest_probe,
-        .ioctl =        usbtest_ioctl,
+        .unlocked_ioctl = usbtest_ioctl,
         .disconnect =   usbtest_disconnect,
         .suspend =      usbtest_suspend,
         .resume =       usbtest_resume,