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* [PATCH] genirq: annotate implicit fall through
@ 2019-01-14 20:31 Mathieu Malaterre
  2019-01-15  9:45 ` [tip:irq/core] genirq: Annotate " tip-bot for Mathieu Malaterre
  0 siblings, 1 reply; 2+ messages in thread
From: Mathieu Malaterre @ 2019-01-14 20:31 UTC (permalink / raw)
  To: Thomas Gleixner; +Cc: Mathieu Malaterre, linux-kernel

There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warning (W=1).

This commit remove the following warning:

  kernel/irq/manage.c:725:3: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@debian.org>
---
 kernel/irq/manage.c | 1 +
 1 file changed, 1 insertion(+)

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);
-- 
2.19.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [tip:irq/core] genirq: Annotate implicit fall through
  2019-01-14 20:31 [PATCH] genirq: annotate implicit fall through Mathieu Malaterre
@ 2019-01-15  9:45 ` tip-bot for Mathieu Malaterre
  0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Mathieu Malaterre @ 2019-01-15  9:45 UTC (permalink / raw)
  To: linux-tip-commits; +Cc: hpa, malat, mingo, linux-kernel, tglx

Commit-ID:  44133f7eaebec227d1381868d642e3c64023520f
Gitweb:     https://git.kernel.org/tip/44133f7eaebec227d1381868d642e3c64023520f
Author:     Mathieu Malaterre <malat@debian.org>
AuthorDate: Mon, 14 Jan 2019 21:31:54 +0100
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 15 Jan 2019 10:40:34 +0100

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

---
 kernel/irq/manage.c | 1 +
 1 file changed, 1 insertion(+)

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);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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2019-01-14 20:31 [PATCH] genirq: annotate implicit fall through Mathieu Malaterre
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