[PATCH] ARM: zx: Fix error handling
Christophe JAILLET
christophe.jaillet at wanadoo.fr
Sun Oct 30 01:10:10 PDT 2016
'devm_ioremap_resource()' returns an error pointer in case of error, not
NULL. So test it with IS_ERR.
Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>
---
'return -EIO;' could also be turned into 'return PTR_ERR(pcubase);' in
order to propagate the error value.
---
arch/arm/mach-zx/zx296702-pm-domain.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx296702-pm-domain.c
index e08574d4e2ca..79dcf2549267 100644
--- a/arch/arm/mach-zx/zx296702-pm-domain.c
+++ b/arch/arm/mach-zx/zx296702-pm-domain.c
@@ -169,7 +169,7 @@ static int zx296702_pd_probe(struct platform_device *pdev)
}
pcubase = devm_ioremap_resource(&pdev->dev, res);
- if (!pcubase) {
+ if (IS_ERR(pcubase)) {
dev_err(&pdev->dev, "ioremap fail.\n");
return -EIO;
}
--
2.9.3
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