From: Fenghua Yu <fenghuay@nvidia.com>
To: Shuai Xue <xueshuai@linux.alibaba.com>,
vinicius.gomes@intel.com, dave.jiang@intel.com,
Markus.Elfring@web.de, vkoul@kernel.org
Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 8/9] dmaengine: idxd: Add missing idxd cleanup to fix memory leak in remove call
Date: Wed, 2 Apr 2025 16:31:51 -0700 [thread overview]
Message-ID: <e6ff45a1-a077-404a-8bea-67c8a81f0fac@nvidia.com> (raw)
In-Reply-To: <20250309062058.58910-9-xueshuai@linux.alibaba.com>
On 3/8/25 22:20, Shuai Xue wrote:
> The remove call stack is missing idxd cleanup to free bitmap, ida and
> the idxd_device. Call idxd_free() helper routines to make sure we exit
> gracefully.
>
> Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators")
> Cc: stable@vger.kernel.org
> Suggested-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
> Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Fenghua Yu <fenghuay@nvidia.com>
Thanks.
-Fenghua
> ---
> drivers/dma/idxd/init.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
> index 890b2bbd2c5e..ecb8d534fac4 100644
> --- a/drivers/dma/idxd/init.c
> +++ b/drivers/dma/idxd/init.c
> @@ -1337,6 +1337,7 @@ static void idxd_remove(struct pci_dev *pdev)
> destroy_workqueue(idxd->wq);
> perfmon_pmu_remove(idxd);
> put_device(idxd_confdev(idxd));
> + idxd_free(idxd);
> }
>
> static struct pci_driver idxd_pci_driver = {
next prev parent reply other threads:[~2025-04-02 23:31 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-09 6:20 [PATCH v3 0/9] dmaengine: idxd: fix memory leak in error handling path Shuai Xue
2025-03-09 6:20 ` [PATCH v3 1/9] dmaengine: idxd: fix memory leak in error handling path of idxd_setup_wqs Shuai Xue
2025-03-09 9:10 ` [PATCH v3 1/9] dmaengine: idxd: fix memory leak in error handling path of idxd_setup_wqs() Markus Elfring
2025-03-10 1:42 ` Shuai Xue
2025-03-10 9:50 ` [v3 " Markus Elfring
2025-04-02 23:22 ` [PATCH v3 1/9] dmaengine: idxd: fix memory leak in error handling path of idxd_setup_wqs Fenghua Yu
2025-03-09 6:20 ` [PATCH v3 2/9] dmaengine: idxd: fix memory leak in error handling path of idxd_setup_engines Shuai Xue
2025-03-09 6:20 ` [PATCH v3 3/9] dmaengine: idxd: fix memory leak in error handling path of idxd_setup_groups Shuai Xue
2025-04-02 23:24 ` Fenghua Yu
2025-03-09 6:20 ` [PATCH v3 4/9] dmaengine: idxd: Add missing cleanup for early error out in idxd_setup_internals Shuai Xue
2025-03-10 15:33 ` Dave Jiang
2025-04-02 23:26 ` Fenghua Yu
2025-04-04 11:47 ` Shuai Xue
2025-03-09 6:20 ` [PATCH v3 5/9] dmaengine: idxd: Add missing cleanups in cleanup internals Shuai Xue
2025-03-10 15:34 ` Dave Jiang
2025-04-02 23:27 ` Fenghua Yu
2025-03-09 6:20 ` [PATCH v3 6/9] dmaengine: idxd: fix memory leak in error handling path of idxd_alloc Shuai Xue
2025-04-02 23:31 ` Fenghua Yu
2025-03-09 6:20 ` [PATCH v3 7/9] dmaengine: idxd: fix memory leak in error handling path of idxd_pci_probe Shuai Xue
2025-04-02 23:31 ` Fenghua Yu
2025-03-09 6:20 ` [PATCH v3 8/9] dmaengine: idxd: Add missing idxd cleanup to fix memory leak in remove call Shuai Xue
2025-03-10 15:35 ` Dave Jiang
2025-04-02 23:31 ` Fenghua Yu [this message]
2025-03-09 6:20 ` [PATCH v3 9/9] dmaengine: idxd: Refactor remove call with idxd_cleanup() helper Shuai Xue
2025-03-10 15:36 ` Dave Jiang
2025-04-02 23:32 ` Fenghua Yu
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