There is two function gic_of_init() and gic_of_init_child() called gic_of_setup(),so add WARN_ON() to facilitate backtracking.
Signed-off-by: Yejune Deng <yejune.d...@gmail.com> --- drivers/irqchip/irq-gic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index b1d9c22..7c11705 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1380,7 +1380,7 @@ static bool gic_check_eoimode(struct device_node *node, void __iomem **base) static int gic_of_setup(struct gic_chip_data *gic, struct device_node *node) { - if (!gic || !node) + if (WARN_ON(!gic || !node)) return -EINVAL; gic->raw_dist_base = of_iomap(node, 0); -- 1.9.1