From: Chris Malley <mail@chrismalley.co.uk>

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@chrismalley.co.uk>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/char/riscom8.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN drivers/char/riscom8.c~riscom8-remove-redundant-null-pointer-test drivers/char/riscom8.c
--- a/drivers/char/riscom8.c~riscom8-remove-redundant-null-pointer-test
+++ a/drivers/char/riscom8.c
@@ -1108,7 +1108,7 @@ static int rc_write(struct tty_struct *t
 
 	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
 	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);
_