linux-kernel - [PATCH 16/24] irqchip: mips-gic: Fix gic_set

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Message-Id: <1410825087-5497-17-git-send-email-abrestic@chromium.org>
Date:	Mon, 15 Sep 2014 16:51:19 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Ralf Baechle <ralf@...ux-mips.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Cc:	Andrew Bresticker <abrestic@...omium.org>,
	Jeffrey Deans <jeffrey.deans@...tec.com>,
	Markos Chandras <markos.chandras@...tec.com>,
	Paul Burton <paul.burton@...tec.com>,
	Qais Yousef <qais.yousef@...tec.com>,
	Jonas Gorski <jogo@...nwrt.org>,
	John Crispin <blogic@...nwrt.org>,
	David Daney <ddaney.cavm@...il.com>, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 16/24] irqchip: mips-gic: Fix gic_set_affinity() return value

If the online CPU check in gic_set_affinity() fails, return a proper
errno value instead of -1.

Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
---
 drivers/irqchip/irq-mips-gic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index cde743c..fd00318 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -309,7 +309,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
 
 	cpumask_and(&tmp, cpumask, cpu_online_mask);
 	if (cpus_empty(tmp))
-		return -1;
+		return -EINVAL;
 
 	/* Assumption : cpumask refers to a single CPU */
 	spin_lock_irqsave(&gic_lock, flags);
-- 
2.1.0.rc2.206.gedb03e5

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