linux-kernel - [PATCH] setup_affinity return 1 with failure

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Date:	Sun, 14 Jun 2009 23:33:03 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	mingo@...e.hu
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] setup_affinity return 1 with failure

setup_affinity should return 1 when failure, then make checking in
irq_select_affinity_usr() reasonable.

Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
---
 kernel/irq/manage.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index aaf5c9d..8d2a992 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -137,7 +137,7 @@ int irq_set_affinity(unsigned int irq, const
struct cpumask *cpumask)
 static int setup_affinity(unsigned int irq, struct irq_desc *desc)
 {
 	if (!irq_can_set_affinity(irq))
-		return 0;
+		return 1;

 	/*
 	 * Preserve an userspace affinity setup, but make sure that
-- 
1.6.0.4
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