[PATCH v3 01/19] irqdomain: Drop bogus fwspec-mapping error handling
From: Johan Hovold <johan+linaro@kernel.org>
Date: 2022-12-09 14:05:26
Also in:
linux-mips, lkml, platform-driver-x86
Subsystem:
irq domains (irq number mapping library), irq subsystem, the rest · Maintainers:
Thomas Gleixner, Linus Torvalds
In case a newly allocated IRQ ever ends up not having any associated struct irq_data it would not even be possible to dispose the mapping. Replace the bogus disposal with a WARN_ON(). Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- kernel/irq/irqdomain.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 8fe1da9614ee..bf67de1733ee 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c@@ -833,13 +833,8 @@ unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec) } irq_data = irq_get_irq_data(virq); - if (!irq_data) { - if (irq_domain_is_hierarchy(domain)) - irq_domain_free_irqs(virq, 1); - else - irq_dispose_mapping(virq); + if (WARN_ON(!irq_data)) return 0; - } /* Store trigger type */ irqd_set_trigger_type(irq_data, type);
--
2.37.4
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