Re: [PATCH -next] NTB: Drop kfree for memory allocated with devm_kzalloc

From: Lorenzo Pieralisi
Date: Fri Feb 12 2021 - 12:46:18 EST


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@xxxxxxxxxx>
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
> 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 = {
>