From: Tiezhu Yang Date: Tue, 7 Jul 2020 02:12:48 +0000 (+0800) Subject: irqchip/loongson-htvec: Check return value of irq_domain_translate_onecell() X-Git-Tag: v5.10.7~1967^2^2~27 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dbec37048d27cee36e103e113b5f9b1852bfe997;p=platform%2Fkernel%2Flinux-rpi.git irqchip/loongson-htvec: Check return value of irq_domain_translate_onecell() Check the return value of irq_domain_translate_onecell() due to it may returns -EINVAL if failed. Fixes: 818e915fbac5 ("irqchip: Add Loongson HyperTransport Vector support") Signed-off-by: Tiezhu Yang Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/1594087972-21715-5-git-send-email-yangtiezhu@loongson.cn --- diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c index b36d403..720cf96a 100644 --- a/drivers/irqchip/irq-loongson-htvec.c +++ b/drivers/irqchip/irq-loongson-htvec.c @@ -109,11 +109,14 @@ static struct irq_chip htvec_irq_chip = { static int htvec_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *arg) { + int ret; unsigned long hwirq; unsigned int type, i; struct htvec *priv = domain->host_data; - irq_domain_translate_onecell(domain, arg, &hwirq, &type); + ret = irq_domain_translate_onecell(domain, arg, &hwirq, &type); + if (ret) + return ret; for (i = 0; i < nr_irqs; i++) { irq_domain_set_info(domain, virq + i, hwirq + i, &htvec_irq_chip,