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

[ Upstream commit 4c9b1bfaa5039fee650f4de514a8e70ae976fc2f ]

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

Fixes: 5c4b585d2910 ("irqchip/ti-sci-inta: Add support for INTA directly connecting to GIC")
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/20200826035430.21060-1-yuehaibing@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/irqchip/irq-ti-sci-inta.c b/drivers/irqchip/irq-ti-sci-inta.c
index d4e97605456bba1c3958fb0affb276227b044114..05bf94b87b93850e658b11548ab968e919744a56 100644 (file)
--- a/drivers/irqchip/irq-ti-sci-inta.c
+++ b/drivers/irqchip/irq-ti-sci-inta.c
@@ -175,8 +175,8 @@ static struct ti_sci_inta_vint_desc *ti_sci_inta_alloc_parent_irq(struct irq_dom
        struct irq_fwspec parent_fwspec;
        struct device_node *parent_node;
        unsigned int parent_virq;
-       u16 vint_id, p_hwirq;
-       int ret;
+       int p_hwirq, ret;
+       u16 vint_id;
 
        vint_id = ti_sci_get_free_resource(inta->vint);
        if (vint_id == TI_SCI_RESOURCE_NULL)