USB: serial: usb_debug: Make static

Sparse asked whether these could be static.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index fc5d995..6c9cbb5 100644 (file)
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -31,7 +31,7 @@ static struct usb_driver debug_driver = {
        .no_dynamic_id =        1,
 };
 
-int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
+static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
                                                        struct file *filp)
 {
        port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE;