[PATCH 5.9 096/757] irqchip/ti-sci-inta: Fix unsigned comparison to zero

Greg Kroah-Hartman
2020-10-27T15:31:40Z

From: YueHaibing <yuehaibing@huawei.com>

[ 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>
---
drivers/irqchip/irq-ti-sci-inta.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-ti-sci-inta.c b/drivers/irqchip/irq-ti-sci-inta.c
index d4e97605456bb..05bf94b87b938 100644
--- 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)
--
2.25.1