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authorGuanrui Huang <guanrui.huang@linux.alibaba.com>2024-04-18 08:10:53 +0200
committerThomas Gleixner <tglx@linutronix.de>2024-04-25 14:38:24 +0200
commit382d2ffe86efb1e2fa803d2cf17e5bfc34e574f3 (patch)
tree0ab1eb32133e8e8ff0361070d66166de5d449a78 /drivers/irqchip/irq-gic-v3-its.c
parentcpuidle: Avoid explicit cpumask allocation on stack (diff)
downloadlinux-382d2ffe86efb1e2fa803d2cf17e5bfc34e574f3.tar.xz
linux-382d2ffe86efb1e2fa803d2cf17e5bfc34e574f3.zip
irqchip/gic-v3-its: Remove BUG_ON in its_vpe_irq_domain_alloc
This BUG_ON() is useless, because the same effect will be obtained by letting the code run its course and vm being dereferenced, triggering an exception. So just remove this check. Signed-off-by: Guanrui Huang <guanrui.huang@linux.alibaba.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Zenghui Yu <yuzenghui@huawei.com> Acked-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20240418061053.96803-3-guanrui.huang@linux.alibaba.com
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 20f954211c61..98e559304b7f 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -4526,8 +4526,6 @@ 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;