From: Mathieu Malaterre <malat@debian.org>
Date: Mon, 14 Jan 2019 20:31:54 +0000 (+0100)
Subject: genirq: Annotate implicit fall through
X-Git-Tag: v5.1-rc1~169^2~16
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=44133f7eaebec227d1381868d642e3c64023520f;p=uclinux-h8%2Flinux.git

genirq: Annotate implicit fall through

There is a plan to build the kernel with -Wimplicit-fallthrough. The
fallthrough in __irq_set_trigger() lacks an annotation. Add it.

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190114203154.17125-1-malat@debian.org
---

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index a4888ce4667a..1ca39dc4538d 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -723,6 +723,7 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned long flags)
 	case IRQ_SET_MASK_OK_DONE:
 		irqd_clear(&desc->irq_data, IRQD_TRIGGER_MASK);
 		irqd_set(&desc->irq_data, flags);
+		/* fall through */
 
 	case IRQ_SET_MASK_OK_NOCOPY:
 		flags = irqd_get_trigger_type(&desc->irq_data);