Re: [PATCH v1 2/3] usb: typec: intel_pmc_mux: Add missed error check for devm_ioremap_resource()

From: Heikki Krogerus
Date: Mon Jun 07 2021 - 05:25:33 EST


On Sun, Jun 06, 2021 at 11:09:10PM +0300, Andy Shevchenko wrote:
> devm_ioremap_resource() can return an error, add missed check for it.
>
> Fixes: 43d596e32276 ("usb: typec: intel_pmc_mux: Check the port status before connect")
> Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> drivers/usb/typec/mux/intel_pmc_mux.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
> index 134325444e6a..de40276cc18b 100644
> --- a/drivers/usb/typec/mux/intel_pmc_mux.c
> +++ b/drivers/usb/typec/mux/intel_pmc_mux.c
> @@ -586,6 +586,11 @@ static int pmc_usb_probe_iom(struct pmc_usb *pmc)
> return -ENOMEM;
> }
>
> + if (IS_ERR(pmc->iom_base)) {
> + put_device(&adev->dev);
> + return PTR_ERR(pmc->iom_base);
> + }
> +
> pmc->iom_adev = adev;
>
> return 0;
> --
> 2.31.1

--
heikki