From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Dongliang Mu <mudongliangabcd@gmail.com>,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 5.15 130/207] dpaa2-eth: destroy workqueue at the end of remove function
Date:   Mon,  6 Dec 2021 15:56:24 +0100
Message-Id: <20211206145614.733328734@linuxfoundation.org>
In-Reply-To: <20211206145610.172203682@linuxfoundation.org>
References: <20211206145610.172203682@linuxfoundation.org>
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From: Dongliang Mu <mudongliangabcd@gmail.com>

commit f4a8adbfe4841491b60c14fe610571e1422359f9 upstream.

The commit c55211892f46 ("dpaa2-eth: support PTP Sync packet one-step
timestamping") forgets to destroy workqueue at the end of remove
function.

Fix this by adding destroy_workqueue before fsl_mc_portal_free and
free_netdev.

Fixes: c55211892f46 ("dpaa2-eth: support PTP Sync packet one-step timestamping")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -4538,6 +4538,8 @@ static int dpaa2_eth_remove(struct fsl_m
 
 	fsl_mc_portal_free(priv->mc_io);
 
+	destroy_workqueue(priv->dpaa2_ptp_wq);
+
 	dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name);
 
 	free_netdev(net_dev);