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authorBaruch Siach <baruch@tkos.co.il>2013-05-29 12:11:17 +0400
committerDaniel Lezcano <daniel.lezcano@linaro.org>2013-06-06 19:23:13 +0400
commit1a33bd2be705cbb3f57d7223b60baea441039307 (patch)
tree3914ff4ae67a60f3d8efb200dc395b270de07710 /drivers/clocksource/dw_apb_timer_of.c
parent1eaff67266b6b6c97bbd33cf2c20577822836413 (diff)
downloadlinux-1a33bd2be705cbb3f57d7223b60baea441039307.tar.xz
clocksource: dw_apb: Fix error check
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. Cc: <stable@vger.kernel.org> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource/dw_apb_timer_of.c')
-rw-r--r--drivers/clocksource/dw_apb_timer_of.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index ab09ed3742ee..6b02eddc5f50 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);