linux-kernel - [PATCH] tty: synclink: remove unneeded test

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Message-Id: <1459939444-21279-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Wed,  6 Apr 2016 11:44:04 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>
Cc:	linux-kernel@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] 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@...ethink.co.uk>
---
 drivers/tty/synclink.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c
index f5476e2..de372f5 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;
-- 
2.1.4