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Message-ID: <14a8bcdc-6ef6-f29c-8dab-83f48b93ed9d@huawei.com>
Date: Wed, 7 Dec 2022 16:56:25 +0800
From: Yuan Can <yuancan@...wei.com>
To: Leon Romanovsky <leon@...nel.org>
CC: <shshaikh@...vell.com>, <manishc@...vell.com>,
<GR-Linux-NIC-Dev@...vell.com>, <davem@...emloft.net>,
<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
<sucheta.chakraborty@...gic.com>, <rajesh.borundia@...gic.com>,
<netdev@...r.kernel.org>
Subject: Re: [PATCH net] drivers: net: qlcnic: Fix potential memory leak in
qlcnic_sriov_init()
在 2022/12/7 15:56, Leon Romanovsky 写道:
> On Tue, Dec 06, 2022 at 10:30:31AM +0000, Yuan Can wrote:
>> If vp alloc failed in qlcnic_sriov_init(), all previously allocated vp
>> needs to be freed.
>>
>> Fixes: f197a7aa6288 ("qlcnic: VF-PF communication channel implementation")
>> Signed-off-by: Yuan Can <yuancan@...wei.com>
>> ---
>> drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
>> index 9282321c2e7f..d0470c62e1b2 100644
>> --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
>> +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
>> @@ -222,6 +222,8 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs)
>>
>> qlcnic_destroy_async_wq:
>> destroy_workqueue(bc->bc_async_wq);
>> + while (i--)
>> + kfree(sriov->vf_info[i].vp);
> These lines should be before destroy_workqueue(bc->bc_async_wq);
Ok, thanks for the review!
--
Best regards,
Yuan Can
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