Le Tue, 28 Jun 2022 20:08:50 +0800,
Yang Yingliang <yangyingliang@xxxxxxxxxx> a écrit :
> If devm_platform_ioremap_resource() fails, it never return
> NULL pointer, replace NULL test with IS_ERR().
Thanks for your patch, maybe this description would be better:
"On failure, devm_platform_ioremap_resource() returns a ERR_PTR() value
and not NULL. Fix return value checking by using IS_ERR() and
return PTR_ERR() as error value."
Clément
>
> Fixes: 7dc54d3b8d91 ("net: pcs: add Renesas MII converter driver")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> ---
> drivers/net/pcs/pcs-rzn1-miic.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c
> index 8f5e910f443d..d896961e48cc 100644
> --- a/drivers/net/pcs/pcs-rzn1-miic.c
> +++ b/drivers/net/pcs/pcs-rzn1-miic.c
> @@ -461,8 +461,8 @@ static int miic_probe(struct platform_device *pdev)
> spin_lock_init(&miic->lock);
> miic->dev = dev;
> miic->base = devm_platform_ioremap_resource(pdev, 0);
> - if (!miic->base)
> - return -EINVAL;
> + if (IS_ERR(miic->base))
> + return PTR_ERR(miic->base);
>
> ret = devm_pm_runtime_enable(dev);
> if (ret < 0)
--
Clément Léger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com
