linux-kernel - [PATCH] riscom8: remove redundant null pointer test

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Message-Id: <1210616830.7454.0.camel@localhost>
Date:	Mon, 12 May 2008 19:27:10 +0100
From:	Chris Malley <mail@...ismalley.co.uk>
To:	Alan Cox <alan@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] riscom8: remove redundant null pointer test

tty has already been dereferenced at least twice in these functions,
so checking for null here seems a bit unnecessary.

Signed-off-by: Chris Malley <mail@...ismalley.co.uk>
---
 drivers/char/riscom8.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index f073c71..9643a49 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1108,7 +1108,7 @@ static int rc_write(struct tty_struct *tty,
 
 	bp = port_Board(port);
 
-	if (!tty || !port->xmit_buf)
+	if (!port->xmit_buf)
 		return 0;
 
 	while (1) {
@@ -1151,7 +1151,7 @@ static int rc_put_char(struct tty_struct *tty, unsigned char ch)
 	if (rc_paranoia_check(port, tty->name, "rc_put_char"))
 		return 0;
 
-	if (!tty || !port->xmit_buf)
+	if (!port->xmit_buf)
 		return 0;
 
 	spin_lock_irqsave(&riscom_lock, flags);
-- 



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