diff --git a/[refs] b/[refs]
index e57be55d8224..0f51b3ab14f9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c9c4558f7874676e31ea7a74caafcf09ebbc03ed
+refs/heads/master: 3d06bf152abcc3895a0f3afa21d762d84c9aecbc
diff --git a/trunk/drivers/usb/serial/usb_wwan.c b/trunk/drivers/usb/serial/usb_wwan.c
index 7bd06854f872..07cdc6cd1064 100644
--- a/trunk/drivers/usb/serial/usb_wwan.c
+++ b/trunk/drivers/usb/serial/usb_wwan.c
@@ -261,6 +261,7 @@ int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
 				intfdata->in_flight--;
 				spin_unlock_irqrestore(&intfdata->susp_lock,
 						       flags);
+				usb_autopm_put_interface_async(port->serial->interface);
 				continue;
 			}
 		}