TTY: isdn, do not play with module refcounts

The module which called allocate_tty_driver is already refcounted by
the TTY layer automatically. And since THIS_MODULE is isdn_tty and it
allocated the tty_driver, there is no need to do the counts in isdn's
tty->ops->open/close.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index 1b4b4c1846c5..66d9d71e003c 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -435,7 +435,6 @@ typedef struct atemu {
 /* Private data (similar to async_struct in <linux/serial.h>) */
 typedef struct modem_info {
   int                   magic;
-  struct module         *owner;
   int                   flags;           /* defined in tty.h               */
   int                   x_char;          /* xon/xoff character             */
   int                   mcr;             /* Modem control register         */