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path: root/drivers/usb/serial/keyspan.c
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Diffstat (limited to 'drivers/usb/serial/keyspan.c')
-rw-r--r--drivers/usb/serial/keyspan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index b04a029e3657..87b89c99d517 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1453,13 +1453,13 @@ static void usa67_glocont_callback(struct urb *urb)
}
}
-static int keyspan_write_room(struct tty_struct *tty)
+static unsigned int keyspan_write_room(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct keyspan_port_private *p_priv;
const struct keyspan_device_details *d_details;
int flip;
- int data_len;
+ unsigned int data_len;
struct urb *this_urb;
p_priv = usb_get_serial_port_data(port);