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    Subject[PATCH 5.9 097/757] irqchip/ti-sci-intr: Fix unsigned comparison to zero
    Date
    From: YueHaibing <yuehaibing@huawei.com>

    [ Upstream commit 8ddf1905a904ca86d71ca1c435e4b0b2a0b70df8 ]

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

    Fixes: a5b659bd4bc7 ("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
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/irqchip/irq-ti-sci-intr.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/irqchip/irq-ti-sci-intr.c b/drivers/irqchip/irq-ti-sci-intr.c
    index cbc1758228d9e..85a72b56177cf 100644
    --- a/drivers/irqchip/irq-ti-sci-intr.c
    +++ b/drivers/irqchip/irq-ti-sci-intr.c
    @@ -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)
    --
    2.25.1


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