From 98fffd72f934c48e7e69e21e1394de0b5aed49b4 Mon Sep 17 00:00:00 2001
From: Wang Qing <wangqing@vivo.com>
Date: Sun, 27 Feb 2022 19:15:55 -0800
Subject: [PATCH] net: decnet: use time_is_before_jiffies() instead of open
 coding it

Use the helper function time_is_{before,after}_jiffies() to improve
code readability.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/decnet/dn_nsp_out.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index eadc89583168..b05639bdfc8f 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -52,6 +52,7 @@
 #include <linux/init.h>
 #include <linux/poll.h>
 #include <linux/if_packet.h>
+#include <linux/jiffies.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
@@ -351,7 +352,7 @@ void dn_nsp_queue_xmit(struct sock *sk, struct sk_buff *skb,
 	 * Slow start: If we have been idle for more than
 	 * one RTT, then reset window to min size.
 	 */
-	if ((jiffies - scp->stamp) > t)
+	if (time_is_before_jiffies(scp->stamp + t))
 		scp->snd_window = NSP_MIN_WINDOW;
 
 	if (oth)