diff --git a/[refs] b/[refs]
index bde36521c475..33f2a64a2b7d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1082f57abfa26590b60c43f503afb24102a37016
+refs/heads/master: f0730924e9e32bb8935c60040a26d94179355088
diff --git a/trunk/drivers/usb/class/cdc-acm.c b/trunk/drivers/usb/class/cdc-acm.c
index 975d556b4787..be6331e2c276 100644
--- a/trunk/drivers/usb/class/cdc-acm.c
+++ b/trunk/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);
 		}