1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 7bd06854f872..07cdc6cd1064 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/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;
                         }
                 }