TTY: switch tty_insert_flip_string

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.

tty_insert_flip_string this time.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index d0f95482f40e..3560799d530a 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -495,12 +495,8 @@ static void gs_rx_push(unsigned long _port)
 
                 req = list_first_entry(queue, struct usb_request, list);
 
-                /* discard data if tty was closed */
-                if (!tty)
-                        goto recycle;
-
                 /* leave data queued if tty was rx throttled */
-                if (test_bit(TTY_THROTTLED, &tty->flags))
+                if (tty && test_bit(TTY_THROTTLED, &tty->flags))
                         break;
 
                 switch (req->status) {
@@ -533,7 +529,8 @@ static void gs_rx_push(unsigned long _port)
                                 size -= n;
                         }
 
-                        count = tty_insert_flip_string(tty, packet, size);
+                        count = tty_insert_flip_string(&port->port, packet,
+                                        size);
                         if (count)
                                 do_push = true;
                         if (count != size) {
@@ -546,7 +543,7 @@ static void gs_rx_push(unsigned long _port)
                         }
                         port->n_read = 0;
                 }
-recycle:
+
                 list_move(&req->list, &port->read_pool);
                 port->read_started--;
         }