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    Subject[PATCH v3 7/8] irqchip/loongson-liointc: Fix potential dead lock
    Date
    In the function liointc_set_type(), we need to call the function
    irq_gc_unlock_irqrestore() before returning.

    Fixes: dbb152267908 ("irqchip: Add driver for Loongson I/O Local Interrupt Controller")
    Reported-by: Jianmin Lv <lvjianmin@loongson.cn>
    Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
    ---
    drivers/irqchip/irq-loongson-liointc.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c
    index 63b6147..6ef86a3 100644
    --- a/drivers/irqchip/irq-loongson-liointc.c
    +++ b/drivers/irqchip/irq-loongson-liointc.c
    @@ -114,6 +114,7 @@ static int liointc_set_type(struct irq_data *data, unsigned int type)
    liointc_set_bit(gc, LIOINTC_REG_INTC_POL, mask, false);
    break;
    default:
    + irq_gc_unlock_irqrestore(gc, flags);
    return -EINVAL;
    }
    irq_gc_unlock_irqrestore(gc, flags);
    --
    2.1.0
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