linux-kernel - [PATCH 09/10] tty: tty_ldisc: Do not use assignment in if condition

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Date:   Mon, 5 Apr 2021 11:34:21 +0800
From:   Xiaofei Tan <tanxiaofei@...wei.com>
To:     <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linuxarm@...neuler.org>,
        Xiaofei Tan <tanxiaofei@...wei.com>
Subject: [PATCH 09/10] tty: tty_ldisc: Do not use assignment in if condition

Do not use assignment in if condition following the advice of
checkpatch.pl.

Signed-off-by: Xiaofei Tan <tanxiaofei@...wei.com>
---
 drivers/tty/tty_ldisc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 874d238..56e67f7 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -508,7 +508,8 @@ static int tty_ldisc_failto(struct tty_struct *tty, int ld)
 		return PTR_ERR(disc);
 	tty->ldisc = disc;
 	tty_set_termios_ldisc(tty, ld);
-	if ((r = tty_ldisc_open(tty, disc)) < 0)
+	r = tty_ldisc_open(tty, disc);
+	if (r < 0)
 		tty_ldisc_put(disc);
 	return r;
 }
-- 
2.8.1