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From: Greg Kroah-Hartman on 10 Aug 2010 18:10
From: Kulikov Vasiliy <segooon(a)gmail.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(a)gmail.com>
Acked-by: Jiri Slaby <jirislaby(a)gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.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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