From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: Wed, 6 Apr 2016 10:44:04 +0000 (+0100)
Subject: tty: synclink: remove unneeded test
X-Git-Tag: v4.14-rc1~3185^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=423314337acde8ddda6324f0917b306642b3ef6c;p=platform%2Fkernel%2Flinux-rpi.git

tty: synclink: remove unneeded test

We reach this point of code after a test of 'info->port.tty->hw_stopped',
we do not need to test for 'info->port.tty' as it is obvious that
info->port.tty is not NULL now, we have already dereferenced it.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
index bc4bc1f..00d91d12 100644
--- a/drivers/tty/synclink.c
+++ b/drivers/tty/synclink.c
@@ -1361,8 +1361,7 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
 				if (status & MISCSTATUS_CTS) {
 					if ( debug_level >= DEBUG_LEVEL_ISR )
 						printk("CTS tx start...");
-					if (info->port.tty)
-						info->port.tty->hw_stopped = 0;
+					info->port.tty->hw_stopped = 0;
 					usc_start_transmitter(info);
 					info->pending_bh |= BH_TRANSMIT;
 					return;