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ata: palmld: fix return value check in palmld_pata_probe()

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If devm_platform_ioremap_resource() fails, it never return
NULL pointer, replace the check with IS_ERR().

Fixes: 57bf0f5a16 ("ARM: pxa: use pdev resource for palmld mmio")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Yang Yingliang 2022-10-29 15:49:31 +08:00 committed by Damien Le Moal
parent 171a93182e
commit 015618c3ec
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/pata_palmld.c
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@ -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);