TTY: ircomm, use tty from tty_port

This also includes a switch to tty refcounting. It makes sure, the
code no longer can access a freed TTY struct.

Sometimes the only thing needed is to pass tty down to the callies.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h
index a9027d8f670d..80ffde3bb164 100644
--- a/include/net/irda/ircomm_tty.h
+++ b/include/net/irda/ircomm_tty.h
@@ -62,7 +62,6 @@ struct ircomm_tty_cb {
 
         int state;                /* Connect state */
 
-        struct tty_struct *tty;
         struct ircomm_cb *ircomm; /* IrCOMM layer instance */
 
         struct sk_buff *tx_skb;   /* Transmit buffer */