USB: zte_ev: fix broken open

Remove bogus port-number check in open and close, which prevented this
driver from being used with a minor number different from zero.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/zte_ev.c b/drivers/usb/serial/zte_ev.c
index b9a88f2..870e01e 100644 (file)
--- a/drivers/usb/serial/zte_ev.c
+++ b/drivers/usb/serial/zte_ev.c
@@ -41,9 +41,6 @@ static int zte_ev_usb_serial_open(struct tty_struct *tty,
        int len;
        unsigned char *buf;
 
-       if (port->number != 0)
-               return -ENODEV;
-
        buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
        if (!buf)
                return -ENOMEM;
@@ -166,9 +163,6 @@ static void zte_ev_usb_serial_close(struct usb_serial_port *port)
        int len;
        unsigned char *buf;
 
-       if (port->number != 0)
-               return;
-
        buf = kmalloc(MAX_SETUP_DATA_SIZE, GFP_KERNEL);
        if (!buf)
                return;