linux-kernel - [PATCH 4.19 215/245] ieee802154: fix one possible memleak in ca8210_dev_com

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Message-Id: <20200929105957.443162082@linuxfoundation.org>
Date:   Tue, 29 Sep 2020 13:01:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Liu Jian <liujian56@...wei.com>,
        Stefan Schmidt <stefan@...enfreihafen.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 215/245] ieee802154: fix one possible memleak in ca8210_dev_com_init

From: Liu Jian <liujian56@...wei.com>

[ Upstream commit 88f46b3fe2ac41c381770ebad9f2ee49346b57a2 ]

We should call destroy_workqueue to destroy mlme_workqueue in error branch.

Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
Signed-off-by: Liu Jian <liujian56@...wei.com>
Link: https://lore.kernel.org/r/20200720143315.40523-1-liujian56@huawei.com
Signed-off-by: Stefan Schmidt <stefan@...enfreihafen.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ieee802154/ca8210.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 38a41651e451c..deace0aadad24 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2923,6 +2923,7 @@ static int ca8210_dev_com_init(struct ca8210_priv *priv)
 	);
 	if (!priv->irq_workqueue) {
 		dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n");
+		destroy_workqueue(priv->mlme_workqueue);
 		return -ENOMEM;
 	}
 
-- 
2.25.1