* [PATCH -next] NTB: Drop kfree for memory allocated with devm_kzalloc
@ 2021-02-10 7:53 Wei Yongjun
2021-02-12 12:48 ` Kishon Vijay Abraham I
2021-02-12 17:45 ` Lorenzo Pieralisi
0 siblings, 2 replies; 3+ messages in thread
From: Wei Yongjun @ 2021-02-10 7:53 UTC (permalink / raw)
To: Hulk Robot, Jon Mason, Dave Jiang, Allen Hubbe,
Lorenzo Pieralisi, Kishon Vijay Abraham I
Cc: Wei Yongjun, linux-ntb, linux-kernel
It's not necessary to free memory allocated with devm_kzalloc
and using kfree leads to a double free.
Fixes: 363baf7d6051 ("NTB: Add support for EPF PCI-Express Non-Transparent Bridge")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
drivers/ntb/hw/epf/ntb_hw_epf.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/ntb/hw/epf/ntb_hw_epf.c b/drivers/ntb/hw/epf/ntb_hw_epf.c
index 2cccb7dff5dd..b019755e4e21 100644
--- a/drivers/ntb/hw/epf/ntb_hw_epf.c
+++ b/drivers/ntb/hw/epf/ntb_hw_epf.c
@@ -723,7 +723,6 @@ static void ntb_epf_pci_remove(struct pci_dev *pdev)
ntb_unregister_device(&ndev->ntb);
ntb_epf_cleanup_isr(ndev);
ntb_epf_deinit_pci(ndev);
- kfree(ndev);
}
static const struct ntb_epf_data j721e_data = {
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH -next] NTB: Drop kfree for memory allocated with devm_kzalloc
2021-02-10 7:53 [PATCH -next] NTB: Drop kfree for memory allocated with devm_kzalloc Wei Yongjun
@ 2021-02-12 12:48 ` Kishon Vijay Abraham I
2021-02-12 17:45 ` Lorenzo Pieralisi
1 sibling, 0 replies; 3+ messages in thread
From: Kishon Vijay Abraham I @ 2021-02-12 12:48 UTC (permalink / raw)
To: Wei Yongjun, Hulk Robot, Jon Mason, Dave Jiang, Allen Hubbe,
Lorenzo Pieralisi
Cc: linux-ntb, linux-kernel, Kishon Vijay Abraham I
On 10/02/21 1:23 pm, Wei Yongjun wrote:
> It's not necessary to free memory allocated with devm_kzalloc
> and using kfree leads to a double free.
>
> Fixes: 363baf7d6051 ("NTB: Add support for EPF PCI-Express Non-Transparent Bridge")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
> drivers/ntb/hw/epf/ntb_hw_epf.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/ntb/hw/epf/ntb_hw_epf.c b/drivers/ntb/hw/epf/ntb_hw_epf.c
> index 2cccb7dff5dd..b019755e4e21 100644
> --- a/drivers/ntb/hw/epf/ntb_hw_epf.c
> +++ b/drivers/ntb/hw/epf/ntb_hw_epf.c
> @@ -723,7 +723,6 @@ static void ntb_epf_pci_remove(struct pci_dev *pdev)
> ntb_unregister_device(&ndev->ntb);
> ntb_epf_cleanup_isr(ndev);
> ntb_epf_deinit_pci(ndev);
> - kfree(ndev);
> }
Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
>
> static const struct ntb_epf_data j721e_data = {
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH -next] NTB: Drop kfree for memory allocated with devm_kzalloc
2021-02-10 7:53 [PATCH -next] NTB: Drop kfree for memory allocated with devm_kzalloc Wei Yongjun
2021-02-12 12:48 ` Kishon Vijay Abraham I
@ 2021-02-12 17:45 ` Lorenzo Pieralisi
1 sibling, 0 replies; 3+ messages in thread
From: Lorenzo Pieralisi @ 2021-02-12 17:45 UTC (permalink / raw)
To: Wei Yongjun
Cc: Hulk Robot, Jon Mason, Dave Jiang, Allen Hubbe,
Kishon Vijay Abraham I, linux-ntb, linux-kernel
On Wed, Feb 10, 2021 at 07:53:45AM +0000, Wei Yongjun wrote:
> It's not necessary to free memory allocated with devm_kzalloc
> and using kfree leads to a double free.
>
> Fixes: 363baf7d6051 ("NTB: Add support for EPF PCI-Express Non-Transparent Bridge")
Squashed it in the commit it is fixing and repushed pci/ntb out.
Thanks,
Lorenzo
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
> drivers/ntb/hw/epf/ntb_hw_epf.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/ntb/hw/epf/ntb_hw_epf.c b/drivers/ntb/hw/epf/ntb_hw_epf.c
> index 2cccb7dff5dd..b019755e4e21 100644
> --- a/drivers/ntb/hw/epf/ntb_hw_epf.c
> +++ b/drivers/ntb/hw/epf/ntb_hw_epf.c
> @@ -723,7 +723,6 @@ static void ntb_epf_pci_remove(struct pci_dev *pdev)
> ntb_unregister_device(&ndev->ntb);
> ntb_epf_cleanup_isr(ndev);
> ntb_epf_deinit_pci(ndev);
> - kfree(ndev);
> }
>
> static const struct ntb_epf_data j721e_data = {
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-02-12 17:45 UTC | newest]
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2021-02-12 17:45 ` Lorenzo Pieralisi
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