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path: root/drivers/usb/serial/usb-serial.c
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Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r--drivers/usb/serial/usb-serial.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 7b4805c1004d..17b09f03ef84 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -361,8 +361,7 @@ static void serial_cleanup(struct tty_struct *tty)
module_put(owner);
}
-static int serial_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
+static ssize_t serial_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
struct usb_serial_port *port = tty->driver_data;
int retval = -ENODEV;
@@ -370,7 +369,7 @@ static int serial_write(struct tty_struct *tty, const unsigned char *buf,
if (port->serial->dev->state == USB_STATE_NOTATTACHED)
goto exit;
- dev_dbg(&port->dev, "%s - %d byte(s)\n", __func__, count);
+ dev_dbg(&port->dev, "%s - %zu byte(s)\n", __func__, count);
retval = port->serial->type->write(tty, port, buf, count);
if (retval < 0)