linux-kernel - Re: [PATCH] PCI: functions/pci-epf-test: fix missing destroy_workqueue() on error in pci_epf_test

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Date:   Tue, 19 Jan 2021 12:46:35 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Qinglang Miao <miaoqinglang@...wei.com>
CC:     Bjorn Helgaas <bhelgaas@...gle.com>, <linux-pci@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: functions/pci-epf-test: fix missing
 destroy_workqueue() on error in pci_epf_test_init

Hi Qinglang,

On 18/01/21 6:17 pm, Lorenzo Pieralisi wrote:
> On Wed, Oct 28, 2020 at 05:15:49PM +0800, Qinglang Miao wrote:
>> Add the missing destroy_workqueue() before return from
>> pci_epf_test_init() in the error handling case.
>>
>> Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
>> ---
>>  drivers/pci/endpoint/functions/pci-epf-test.c | 1 +
>>  1 file changed, 1 insertion(+)
> 
> Need Kishon's ack.
> 
> Lorenzo

Can you also add destroy_workqueue() in pci_epf_test_exit()?

Thank You,
Kishon

> 
>> diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
>> index e4e51d884..6854f2525 100644
>> --- a/drivers/pci/endpoint/functions/pci-epf-test.c
>> +++ b/drivers/pci/endpoint/functions/pci-epf-test.c
>> @@ -918,6 +918,7 @@ static int __init pci_epf_test_init(void)
>>  	ret = pci_epf_register_driver(&test_driver);
>>  	if (ret) {
>>  		pr_err("Failed to register pci epf test driver --> %d\n", ret);
>> +		destroy_workqueue(kpcitest_workqueue);
>>  		return ret;
>>  	}
>>  
>> -- 
>> 2.23.0
>>