USB: fix ark3116 memory leak

this driver has a memory leak in an error case.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index edd685791a6b1cc030a6c7cdd5464db146dad585..ea2175bb227460079cda3c8ca994ca35a6dccdb6 100644 (file)
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -341,7 +341,7 @@ static int ark3116_open(struct usb_serial_port *port, struct file *filp)
 
        result = usb_serial_generic_open(port, filp);
        if (result)
-               return result;
+               goto err_out;
 
        /* open */
        ARK3116_RCV(serial, 111, 0xFE, 0xC0, 0x0000, 0x0003, 0x02, buf);
@@ -372,6 +372,7 @@ static int ark3116_open(struct usb_serial_port *port, struct file *filp)
        if (port->tty)
                ark3116_set_termios(port, &tmp_termios);
 
+err_out:
        kfree(buf);
 
        return result;