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clocksource: asm9260: Fix of_io_request_and_map error check

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of_io_request_and map returns an error pointer, but the current code assumes
that on error the returned pointer will be NULL.

Obviously, that makes the check completely useless. Change the test to actually
check for the proper error code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1430579006-32702-4-git-send-email-maxime.ripard@free-electrons.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Maxime Ripard 2015-05-02 17:03:23 +02:00 committed by Thomas Gleixner
parent 1ef09cd713
commit ff569fcd71
1 changed files with 1 additions and 1 deletions
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2
drivers/clocksource/asm9260_timer.c
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@ -178,7 +178,7 @@ static void __init asm9260_timer_init(struct device_node *np)
unsigned long rate;
priv.base = of_io_request_and_map(np, 0, np->name);
if (!priv.base)
if (IS_ERR(priv.base))
panic("%s: unable to map resource", np->name);
clk = of_clk_get(np, 0);