linux-kernel - [PATCH 02/14] tty: n_tty: use output character directly

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Date:   Wed, 16 Aug 2023 12:58:08 +0200
From:   "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
Subject: [PATCH 02/14] tty: n_tty: use output character directly

There is no point to use a local variable to store the character when we
can pass it directly. This assignment comes from era when we used to do
get_user(c, b). We no longer need this, so fix this.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
---
 drivers/tty/n_tty.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 8b2bacb3e40d..f6fa4dbdf78f 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2373,8 +2373,7 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
 				nr -= num;
 				if (nr == 0)
 					break;
-				c = *b;
-				if (process_output(c, tty) < 0)
+				if (process_output(*b, tty) < 0)
 					break;
 				b++; nr--;
 			}
-- 
2.41.0