linux-kernel - [PATCH] tty: serial: jsm_tty: fixed a assignment in if condition

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Message-Id: <20211115182413.10861-1-sahilpatidar4051@gmail.com>
Date:   Mon, 15 Nov 2021 23:54:13 +0530
From:   Sahil Patidar <sahilpatidar4051@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sahil Patidar <sahilpatidar4051@...il.com>
Subject: [PATCH] tty: serial:  jsm_tty: fixed a assignment in if condition

Fixed assignment in if condition.

Signed-off-by: Sahil Patidar <sahilpatidar4051@...il.com>
---
 drivers/tty/serial/jsm/jsm_tty.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
index d74cbbbf33c6..44507b1ff93a 100644
--- a/drivers/tty/serial/jsm/jsm_tty.c
+++ b/drivers/tty/serial/jsm/jsm_tty.c
@@ -746,10 +746,10 @@ static void jsm_carrier(struct jsm_channel *ch)
 void jsm_check_queue_flow_control(struct jsm_channel *ch)
 {
 	struct board_ops *bd_ops = ch->ch_bd->bd_ops;
-	int qleft;
+	int qleft = ch->ch_r_tail - ch->ch_r_head - 1;
 
 	/* Store how much space we have left in the queue */
-	if ((qleft = ch->ch_r_tail - ch->ch_r_head - 1) < 0)
+	if (qleft < 0)
 		qleft += RQUEUEMASK + 1;
 
 	/*
-- 
2.32.0