On 10/29/22 16:49, Yang Yingliang wrote:
> If devm_platform_ioremap_resource() fails, it never return
> NULL pointer, replace the check with IS_ERR().
>
> Fixes: 57bf0f5a162d ("ARM: pxa: use pdev resource for palmld mmio")
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
> Acked-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
Applied to for-6.1-fixes. Thanks !
> ---
> The previous patch link:
> https://lore.kernel.org/lkml/15e09c18-792b-931c-11c7-5ef284490eba@xxxxxxxxxx/T/#t
> ---
> drivers/ata/pata_palmld.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c
> index 400e65190904..51caa2a427dd 100644
> --- a/drivers/ata/pata_palmld.c
> +++ b/drivers/ata/pata_palmld.c
> @@ -63,8 +63,8 @@ static int palmld_pata_probe(struct platform_device *pdev)
>
> /* remap drive's physical memory address */
> mem = devm_platform_ioremap_resource(pdev, 0);
> - if (!mem)
> - return -ENOMEM;
> + if (IS_ERR(mem))
> + return PTR_ERR(mem);
>
> /* request and activate power and reset GPIOs */
> lda->power = devm_gpiod_get(dev, "power", GPIOD_OUT_HIGH);
--
Damien Le Moal
Western Digital Research
