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path: root/drivers/usb/serial/cypress_m8.c
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Diffstat (limited to 'drivers/usb/serial/cypress_m8.c')
-rw-r--r--drivers/usb/serial/cypress_m8.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 22837a3f2f8..f3514a91f91 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1286,7 +1286,7 @@ static void cypress_read_int_callback(struct urb *urb)
}
spin_unlock_irqrestore(&priv->lock, flags);
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
if (!tty) {
dbg("%s - bad tty pointer - exiting", __func__);
return;
@@ -1362,7 +1362,7 @@ static void cypress_read_int_callback(struct urb *urb)
data[i]);
tty_insert_flip_char(tty, data[i], tty_flag);
}
- tty_flip_buffer_push(port->port.tty);
+ tty_flip_buffer_push(tty);
}
spin_lock_irqsave(&priv->lock, flags);
@@ -1371,6 +1371,7 @@ static void cypress_read_int_callback(struct urb *urb)
spin_unlock_irqrestore(&priv->lock, flags);
continue_read:
+ tty_kref_put(tty);
/* Continue trying to always read... unless the port has closed. */