1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 975d556b4787..5e1a253b08a0 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1441,7 +1441,7 @@ static int acm_resume(struct usb_interface *intf)
                         wb = acm->delayed_wb;
                         acm->delayed_wb = NULL;
                         spin_unlock_irq(&acm->write_lock);
-                        acm_start_wb(acm, acm->delayed_wb);
+                        acm_start_wb(acm, wb);
                 } else {
                         spin_unlock_irq(&acm->write_lock);
                 }
@@ -1542,6 +1542,9 @@ static const struct usb_device_id acm_ids[] = {
         { USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
         .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
         },
+        { USB_DEVICE(0x1576, 0x03b1), /* Maretron USB100 */
+        .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+        },
 
         /* Nokia S60 phones expose two ACM channels. The first is
          * a modem and is picked up by the standard AT-command