linux-kernel - [PATCH 008/145] clocksource: dw

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Message-Id: <1374101277-7915-9-git-send-email-kamal@canonical.com>
Date:	Wed, 17 Jul 2013 15:45:40 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Baruch Siach <baruch@...s.co.il>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 008/145] clocksource: dw_apb: Fix error check

3.8.13.5 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Baruch Siach <baruch@...s.co.il>

commit 1a33bd2be705cbb3f57d7223b60baea441039307 upstream.

irq_of_parse_and_map() returns 0 on error, while the code checks for NO_IRQ.
This breaks on platforms that have NO_IRQ != 0.

Signed-off-by: Baruch Siach <baruch@...s.co.il>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/clocksource/dw_apb_timer_of.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index f7dba5b..929e7ce 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -44,7 +44,7 @@ static void add_clockevent(struct device_node *event_timer)
 	u32 irq, rate;
 
 	irq = irq_of_parse_and_map(event_timer, 0);
-	if (irq == NO_IRQ)
+	if (irq == 0)
 		panic("No IRQ for clock event timer");
 
 	timer_get_base_and_rate(event_timer, &iobase, &rate);
-- 
1.8.1.2

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