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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Hulk Robot <hulkci@huawei.com>,
        Yang Yingliang <yangyingliang@huawei.com>,
        "David S. Miller" <davem@davemloft.net>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.12 484/677] net/tipc: fix missing destroy_workqueue() on error in tipc_crypto_start()
Date:   Wed, 12 May 2021 16:48:50 +0200
Message-Id: <20210512144853.447412060@linuxfoundation.org>
In-Reply-To: <20210512144837.204217980@linuxfoundation.org>
References: <20210512144837.204217980@linuxfoundation.org>
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From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit ac1db7acea67777be1ba86e36e058c479eab6508 ]

Add the missing destroy_workqueue() before return from
tipc_crypto_start() in the error handling case.

Fixes: 1ef6f7c9390f ("tipc: add automatic session key exchange")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/tipc/crypto.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index 97710ce36047..c89ce47c56cf 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -1492,6 +1492,8 @@ int tipc_crypto_start(struct tipc_crypto **crypto, struct net *net,
 	/* Allocate statistic structure */
 	c->stats = alloc_percpu_gfp(struct tipc_crypto_stats, GFP_ATOMIC);
 	if (!c->stats) {
+		if (c->wq)
+			destroy_workqueue(c->wq);
 		kfree_sensitive(c);
 		return -ENOMEM;
 	}
-- 
2.30.2