linux-kernel - [tip: irq/core] genirq: Add missing _

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Date:   Thu, 09 Jan 2020 17:10:54 -0000
From:   "tip-bot2 for Jules Irenge" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Jules Irenge <jbi.octave@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: irq/core] genirq: Add missing __releases() sparse annotation

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     8b3b54799b99de59d25a3947d539662f47300ced
Gitweb:        https://git.kernel.org/tip/8b3b54799b99de59d25a3947d539662f47300ced
Author:        Jules Irenge <jbi.octave@...il.com>
AuthorDate:    Mon, 16 Dec 2019 14:42:07 
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 09 Jan 2020 18:03:24 +01:00

genirq: Add missing __releases() sparse annotation

Add __releases() annotation to address the following sparse warning:

  warning: context imbalance in __irq_put_desc_unlock() - unexpected unlock

Signed-off-by: Jules Irenge <jbi.octave@...il.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20191216144208.29852-1-jbi.octave@gmail.com

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

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 5b8fdd6..98a5f10 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -891,6 +891,7 @@ __irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
 }
 
 void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus)
+	__releases(&desc->lock)
 {
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
 	if (bus)