USB: allow libusb to talk to unauthenticated WUSB devices

To permit a userspace application to associate with WUSB devices
using numeric association, control transfers to unauthenticated WUSB
devices must be allowed.

This requires that wusbcore correctly sets the device state to
UNAUTHENTICATED, DEFAULT and ADDRESS and that control transfers can be
performed to UNAUTHENTICATED devices.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6585f527e381..8f022af2fd7a 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -525,7 +525,8 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
 {
         int ret = 0;
 
-        if (ps->dev->state != USB_STATE_ADDRESS
+        if (ps->dev->state != USB_STATE_UNAUTHENTICATED
+         && ps->dev->state != USB_STATE_ADDRESS
          && ps->dev->state != USB_STATE_CONFIGURED)
                 return -EHOSTUNREACH;
         if (USB_TYPE_VENDOR == (USB_TYPE_MASK & requesttype))