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clocksource: sun5i: 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 <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Link: http://lkml.kernel.org/r/1430579006-32702-6-git-send-email-maxime.ripard@free-electrons.com
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Maxime Ripard 2015-05-02 17:03:25 +02:00 • committed by Thomas Gleixner
commit 9fa8cc0a85
1 changed files with 1 additions and 1 deletions
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2
drivers/clocksource/timer-sun5i.c
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@ -324,7 +324,7 @@ static void __init sun5i_timer_init(struct device_node *node)
int irq;
timer_base = of_io_request_and_map(node, 0, of_node_full_name(node));
if (!timer_base)
if (IS_ERR(timer_base))
panic("Can't map registers");
irq = irq_of_parse_and_map(node, 0);