From: Kulikov Vasiliy <segooon@gmail.com>
Date: Fri, 23 Jul 2010 16:34:53 +0000 (+0400)
Subject: mxser: remove unnesesary NULL check
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=464eb8f596fcbdadcfbbdb4a84847ffcb93cc4dd;p=linux-beck.git

mxser: remove unnesesary NULL check

mxser_transmit_chars(tty, port) is called only from mxser_interrupt().
NULL check is performed in mxser_interrupt() so it is redundant here.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index d2692d443f7b..3fc89da856ae 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -2193,7 +2193,7 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port
 	port->mon_data.up_txcnt += (cnt - port->xmit_cnt);
 	port->icount.tx += (cnt - port->xmit_cnt);
 
-	if (port->xmit_cnt < WAKEUP_CHARS && tty)
+	if (port->xmit_cnt < WAKEUP_CHARS)
 		tty_wakeup(tty);
 
 	if (port->xmit_cnt <= 0) {