USB: cdc-acm: quirk for Alcatel OT-I650

This mobile phone fails to work as a modem, failing with:
 cdc_acm: Zero length descriptor references
 cdc_acm: probe of 1-6.1.3:1.1 failed with error -22

Tested to work fine with this patch.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 778e023d14670e5b820126690461d8dc39cc752a..38bfdb0f666058061081e6035512843cb0eaa850 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1495,6 +1495,9 @@ static struct usb_device_id acm_ids[] = {
                                           Maybe we should define a new
                                           quirk for this. */
        },
+       { USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
+       .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+       },
 
        /* control interfaces with various AT-command sets */
        { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,