Messages in this thread Patch in this message | | | From | Wei Yongjun <> | Subject | [PATCH -next] irqchip/mbigen: Fix return value check in mbigen_device_probe() | Date | Thu, 27 Apr 2017 15:21:13 +0000 |
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From: Wei Yongjun <weiyongjun1@huawei.com>
In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). Use devm_ioremap_resource() instead of devm_ioremap() to fix the IS_ERR() test issue.
Fixes: 76e1f77f9c26 ("irqchip/mbigen: Introduce mbigen_of_create_domain()") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> --- drivers/irqchip/irq-mbigen.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index 061cdb8..d2306c8 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -337,8 +337,7 @@ static int mbigen_device_probe(struct platform_device *pdev) mgn_chip->pdev = pdev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mgn_chip->base = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); + mgn_chip->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(mgn_chip->base)) return PTR_ERR(mgn_chip->base);
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