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path: root/drivers/usb/serial/mos7840.c
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Diffstat (limited to 'drivers/usb/serial/mos7840.c')
-rw-r--r--drivers/usb/serial/mos7840.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 09d82062b973..60543d79ef56 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -709,12 +709,13 @@ static void mos7840_bulk_in_callback(struct urb *urb)
dbg("%s", "Entering ........... \n");
if (urb->actual_length) {
- tty = mos7840_port->port->port.tty;
+ tty = tty_port_tty_get(&mos7840_port->port->port);
if (tty) {
tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, urb->actual_length);
dbg(" %s \n", data);
tty_flip_buffer_push(tty);
+ tty_kref_put(tty);
}
mos7840_port->icount.rx += urb->actual_length;
smp_wmb();
@@ -773,10 +774,10 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
dbg("%s \n", "Entering .........");
- tty = mos7840_port->port->port.tty;
-
+ tty = tty_port_tty_get(&mos7840_port->port->port);
if (tty && mos7840_port->open)
tty_wakeup(tty);
+ tty_kref_put(tty);
}