X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fusb%2Fgadget%2Ffunction%2Fu_serial.c;h=f7771d86ad6c8d19e2016773c1b5ba4b2f3f33eb;hb=fd0d351de7bbd718bc2b34d5846854831aa2b88c;hp=42894f58016eab5fae91534cdefec3fc3bb77e3e;hpb=e052c6d15c61cc4caff2f06cbca72b183da9f15e;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 42894f58016e..f7771d86ad6c 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -877,7 +877,6 @@ static void gs_close(struct tty_struct *tty, struct file *file)
 	else
 		gs_buf_clear(&port->port_write_buf);
 
-	tty->driver_data = NULL;
 	port->port.tty = NULL;
 
 	port->openclose = false;
@@ -1226,7 +1225,6 @@ int gserial_connect(struct gserial *gser, u8 port_num)
 
 fail_out:
 	usb_ep_disable(gser->in);
-	gser->in->driver_data = NULL;
 	return status;
 }
 EXPORT_SYMBOL_GPL(gserial_connect);
@@ -1266,10 +1264,7 @@ void gserial_disconnect(struct gserial *gser)
 
 	/* disable endpoints, aborting down any active I/O */
 	usb_ep_disable(gser->out);
-	gser->out->driver_data = NULL;
-
 	usb_ep_disable(gser->in);
-	gser->in->driver_data = NULL;
 
 	/* finally, free any unused/unusable I/O buffers */
 	spin_lock_irqsave(&port->port_lock, flags);