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authorYang Yingliang <yangyingliang@huawei.com>2022-10-29 09:49:31 +0200
committerDamien Le Moal <damien.lemoal@opensource.wdc.com>2022-10-31 12:28:05 +0100
commit015618c3ec19584c83ff179fa631be8cec906aaf (patch)
tree9760b63ccc3a3aba4da3c363a1b951f8d834469c /drivers/ata
parentata: pata_legacy: fix pdc20230_set_piomode() (diff)
downloadlinux-015618c3ec19584c83ff179fa631be8cec906aaf.tar.xz
linux-015618c3ec19584c83ff179fa631be8cec906aaf.zip
ata: palmld: fix return value check in palmld_pata_probe()
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@huawei.com> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/pata_palmld.c4
1 files 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);