linux-kernel - [PATCH] batman-adv: Remove redundant 'flush

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Message-Id: <2c2454cd728f427cada2c24cdb1ef2609dec5efc.1641850318.git.christophe.jaillet@wanadoo.fr>
Date:   Mon, 10 Jan 2022 22:32:27 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Marek Lindner <mareklindner@...mailbox.ch>,
        Simon Wunderlich <sw@...onwunderlich.de>,
        Antonio Quartulli <a@...table.cc>,
        Sven Eckelmann <sven@...fation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        b.a.t.m.a.n@...ts.open-mesh.org, netdev@...r.kernel.org
Subject: [PATCH] batman-adv: Remove redundant 'flush_workqueue()' calls

'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.

Remove the redundant 'flush_workqueue()' calls.

This was generated with coccinelle:

@@
expression E;
@@
- 	flush_workqueue(E);
	destroy_workqueue(E);

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 net/batman-adv/main.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 5207cd8d6ad8..8f1b724d0412 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -132,7 +132,6 @@ static void __exit batadv_exit(void)
 	rtnl_link_unregister(&batadv_link_ops);
 	unregister_netdevice_notifier(&batadv_hard_if_notifier);
 
-	flush_workqueue(batadv_event_workqueue);
 	destroy_workqueue(batadv_event_workqueue);
 	batadv_event_workqueue = NULL;
 
-- 
2.32.0