Messages in this thread Patch in this message | | | From | Ye Bin <> | Subject | [PATCH] irqchip/tango: Fix possible null ptr reference in tangox_irq_init | Date | Thu, 3 Sep 2020 09:59:52 +0800 |
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In tangox_irq_init allocate chip but not test.
Signed-off-by: Ye Bin <yebin10@huawei.com> --- drivers/irqchip/irq-tango.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/irqchip/irq-tango.c b/drivers/irqchip/irq-tango.c index 34290f09b853..25da120230ad 100644 --- a/drivers/irqchip/irq-tango.c +++ b/drivers/irqchip/irq-tango.c @@ -187,6 +187,8 @@ static int __init tangox_irq_init(void __iomem *base, struct resource *baseres, panic("%pOFn: failed to get address", node); chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + panic("%pOFn: failed to get chip", node); chip->ctl = res.start - baseres->start; chip->base = base; -- 2.25.4
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