[PATCH v4 2/2] irqchip/gic-v3-its: remove BUG_ON in its_vpe_irq_domain_alloc

Guanrui Huang guanrui.huang at linux.alibaba.com
Fri Apr 12 23:40:51 PDT 2024


If vm is NULL in here, that means caller has a bug.
BUG_ON in here is useless, this will paper over bug.

So just remove this check.

Signed-off-by: Guanrui Huang <guanrui.huang at linux.alibaba.com>
---
 drivers/irqchip/irq-gic-v3-its.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 2305f6b524a9..55c83e19719d 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -4521,8 +4521,6 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq
 	struct page *vprop_page;
 	int base, nr_ids, i, err = 0;
 
-	BUG_ON(!vm);
-
 	bitmap = its_lpi_alloc(roundup_pow_of_two(nr_irqs), &base, &nr_ids);
 	if (!bitmap)
 		return -ENOMEM;
-- 
2.36.1




More information about the linux-arm-kernel mailing list