linux-kernel - [PATCH 3/3] tty: Mark goldfish_tty_line

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Message-Id: <20180718001455.140575-3-rkir@google.com>
Date:   Tue, 17 Jul 2018 17:14:55 -0700
From:   rkir@...gle.com
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, tkjos@...gle.com,
        Roman Kiryanov <rkir@...gle.com>
Subject: [PATCH 3/3] tty: Mark goldfish_tty_line_count as const

From: Roman Kiryanov <rkir@...gle.com>

The driver never mutates this variable - no benefits of
keeping it mutable.

Signed-off-by: Roman Kiryanov <rkir@...gle.com>
---
 drivers/tty/goldfish.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
index a9c8ab8a4750..32b77bf54918 100644
--- a/drivers/tty/goldfish.c
+++ b/drivers/tty/goldfish.c
@@ -49,7 +49,7 @@ struct goldfish_tty {
 
 static DEFINE_MUTEX(goldfish_tty_lock);
 static struct tty_driver *goldfish_tty_driver;
-static u32 goldfish_tty_line_count = 8;
+static const u32 goldfish_tty_line_count = 8;
 static u32 goldfish_tty_current_line_count;
 static struct goldfish_tty *goldfish_ttys;
 
-- 
2.18.0.203.gfac676dfb9-goog