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irqchip/ti-sci-intr: Fix unsigned comparison to zero 

ti_sci_intr_xlate_irq() return -ENOENT on fail, p_hwirq
should be int type.

Fixes: a5b659bd4b ("irqchip/ti-sci-intr: Add support for INTR being a parent to INTR")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20200826035321.18620-1-yuehaibing@huawei.com
This commit is contained in:
YueHaibing 2020-08-26 11:53:21 +08:00 committed by Marc Zyngier
parent 4c9b1bfaa5
commit 8ddf1905a9
1 changed files with 2 additions and 2 deletions
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4
drivers/irqchip/irq-ti-sci-intr.c
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@ -137,8 +137,8 @@ static int ti_sci_intr_alloc_parent_irq(struct irq_domain *domain,
struct ti_sci_intr_irq_domain *intr = domain->host_data;
struct device_node *parent_node;
struct irq_fwspec fwspec;
u16 out_irq, p_hwirq;
int err = 0;
int p_hwirq, err = 0;
u16 out_irq;
out_irq = ti_sci_get_free_resource(intr->out_irqs);
if (out_irq == TI_SCI_RESOURCE_NULL)