linux-kernel - [PATCH 60/68] mxser: remove unnesesary NULL check

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Message-Id: <1281477570-18944-60-git-send-email-gregkh@suse.de>
Date:	Tue, 10 Aug 2010 14:59:22 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Kulikov Vasiliy <segooon@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 60/68] mxser: remove unnesesary NULL check

From: Kulikov Vasiliy <segooon@...il.com>

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@...il.com>
Acked-by: Jiri Slaby <jirislaby@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/char/mxser.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index d2692d4..3fc89da 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) {
-- 
1.7.2

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