[PATCH AUTOSEL 5.8 56/72] irqchip/ti-sci-inta: Fix return value about devm_ioremap_resource()
From: Sasha Levin <sashal@kernel.org>
Date: 2020-08-08 23:49:31
Also in:
lkml, stable
Subsystem:
irqchip drivers, texas instruments' system control interface (tisci) protocol driver, the rest · Maintainers:
Thomas Gleixner, Nishanth Menon, Tero Kristo, Santosh Shilimkar, Linus Torvalds
From: Tiezhu Yang <yangtiezhu@loongson.cn>
[ Upstream commit 4b127a14cb1385dd355c7673d975258d5d668922 ]
When call function devm_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Fixes: 9f1463b86c13 ("irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/1591437017-5295-2-git-send-email-yangtiezhu@loongson.cn (local)
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/irqchip/irq-ti-sci-inta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-ti-sci-inta.c b/drivers/irqchip/irq-ti-sci-inta.c
index 7e3ebf6ed2cd1..be0a35d917962 100644
--- a/drivers/irqchip/irq-ti-sci-inta.c
+++ b/drivers/irqchip/irq-ti-sci-inta.c@@ -572,7 +572,7 @@ static int ti_sci_inta_irq_domain_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); inta->base = devm_ioremap_resource(dev, res); if (IS_ERR(inta->base)) - return -ENODEV; + return PTR_ERR(inta->base); domain = irq_domain_add_linear(dev_of_node(dev), ti_sci_get_num_resources(inta->vint),
--
2.25.1
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