usb_wwan: fix runtime PM in error case

An error in the write code path would permanently disable runtime PM in this driver Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Feb 17, 2011 · 3d06bf1 · 3d06bf1
1 parent c9c4558
commit 3d06bf1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;
 			}
 		}