2020-05-04 12:03:56

by Dejin Zheng

Subject: [PATCH net v1] net: enetc: fix an issue about leak system resources

the related system resources were not released when enetc_hw_alloc()
return error in the enetc_pci_mdio_probe(), add iounmap() for error
handling label "err_hw_alloc" to fix it.

Fixes: 6517798dd3432a ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Cc: Andy Shevchenko <[email protected]>
Signed-off-by: Dejin Zheng <[email protected]>
---
drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
index ebc635f8a4cc..15f37c5b8dc1 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
@@ -74,8 +74,8 @@ static int enetc_pci_mdio_probe(struct pci_dev *pdev,
pci_disable_device(pdev);
err_pci_enable:
err_mdiobus_alloc:
- iounmap(port_regs);
err_hw_alloc:
+ iounmap(port_regs);
err_ioremap:
return err;
}
--
2.25.0

2020-05-04 14:07:17

by Vladimir Oltean

Subject: Re: [PATCH net v1] net: enetc: fix an issue about leak system resources

On Mon, 4 May 2020 at 15:04, Dejin Zheng <[email protected]> wrote:
>
> the related system resources were not released when enetc_hw_alloc()
> return error in the enetc_pci_mdio_probe(), add iounmap() for error
> handling label "err_hw_alloc" to fix it.
>
> Fixes: 6517798dd3432a ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
> Cc: Andy Shevchenko <[email protected]>
> Signed-off-by: Dejin Zheng <[email protected]>
> ---

Reviewed-by: Vladimir Oltean <[email protected]>

> drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> index ebc635f8a4cc..15f37c5b8dc1 100644
> --- a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> +++ b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> @@ -74,8 +74,8 @@ static int enetc_pci_mdio_probe(struct pci_dev *pdev,
> pci_disable_device(pdev);
> err_pci_enable:
> err_mdiobus_alloc:
> - iounmap(port_regs);
> err_hw_alloc:
> + iounmap(port_regs);
> err_ioremap:
> return err;
> }
> --
> 2.25.0
>

Thanks!
-Vladimir

2020-05-04 17:55:07

by David Miller

Subject: Re: [PATCH net v1] net: enetc: fix an issue about leak system resources

From: Dejin Zheng <[email protected]>
Date: Mon, 4 May 2020 20:01:27 +0800

> the related system resources were not released when enetc_hw_alloc()
> return error in the enetc_pci_mdio_probe(), add iounmap() for error
> handling label "err_hw_alloc" to fix it.
>
> Fixes: 6517798dd3432a ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
> Cc: Andy Shevchenko <[email protected]>
> Signed-off-by: Dejin Zheng <[email protected]>

Applied, thank you.