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Subject[tip:irq/core] genirq: Correctly annotate implicit fall through
Commit-ID:  01cdfa912f1004c463586f52f1dfcbec1274b1f2
Gitweb: https://git.kernel.org/tip/01cdfa912f1004c463586f52f1dfcbec1274b1f2
Author: Mathieu Malaterre <malat@debian.org>
AuthorDate: Mon, 14 Jan 2019 21:36:33 +0100
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 15 Jan 2019 10:40:53 +0100

genirq: Correctly annotate implicit fall through

There is a plan to build the kernel with -Wimplicit-fallthrough. The
fallthrough in __handle_irq_event_percpu() has a fallthrough annotation
which is followed by an additional comment and is not recognized by GCC.

Separate the 'fall through' and the rest of the comment with a dash so the
regular expression used by GCC matches.

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190114203633.18557-1-malat@debian.org
---
kernel/irq/handle.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 38554bc35375..6df5ddfdb0f8 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -166,7 +166,7 @@ irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc, unsigned int *flags

__irq_wake_thread(desc, action);

- /* Fall through to add to randomness */
+ /* Fall through - to add to randomness */
case IRQ_HANDLED:
*flags |= action->flags;
break;
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