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irqchip/ti-sci-inta: Fix return value about devm_ioremap_resource() 

[ Upstream commit 4b127a14cb ]

When call function devm_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: 9f1463b86c ("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
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Tiezhu Yang 2020-06-06 17:50:16 +08:00 committed by Greg Kroah-Hartman
parent 2f53a4b54e
commit 7915a3c041
1 changed files with 1 additions and 1 deletions
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2
drivers/irqchip/irq-ti-sci-inta.c
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@ -571,7 +571,7 @@ 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),