linux-kernel - [PATCH 4.19 341/425] PCI: endpoint: Fix missing destroy

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Message-Id: <20210520092142.623541747@linuxfoundation.org>
Date:   Thu, 20 May 2021 11:21:50 +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, Hulk Robot <hulkci@...wei.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 341/425] PCI: endpoint: Fix missing destroy_workqueue()

From: Yang Yingliang <yangyingliang@...wei.com>

[ Upstream commit acaef7981a218813e3617edb9c01837808de063c ]

Add the missing destroy_workqueue() before return from
pci_epf_test_init() in the error handling case and add
destroy_workqueue() in pci_epf_test_exit().

Link: https://lore.kernel.org/r/20210331084012.2091010-1-yangyingliang@huawei.com
Fixes: 349e7a85b25fa ("PCI: endpoint: functions: Add an EP function to test PCI")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pci/endpoint/functions/pci-epf-test.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index 4bbd26e8a9e2..09a1e449cd1c 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -572,6 +572,7 @@ static int __init pci_epf_test_init(void)
 					     WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
 	ret = pci_epf_register_driver(&test_driver);
 	if (ret) {
+		destroy_workqueue(kpcitest_workqueue);
 		pr_err("Failed to register pci epf test driver --> %d\n", ret);
 		return ret;
 	}
@@ -582,6 +583,8 @@ module_init(pci_epf_test_init);
 
 static void __exit pci_epf_test_exit(void)
 {
+	if (kpcitest_workqueue)
+		destroy_workqueue(kpcitest_workqueue);
 	pci_epf_unregister_driver(&test_driver);
 }
 module_exit(pci_epf_test_exit);
-- 
2.30.2