linux-kernel - [PATCH 1/5] clocksource/drivers/timer-of: Fix invalid iomap check

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Date:   Tue, 27 Jun 2017 11:26:56 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] clocksource/drivers/timer-of: Fix invalid iomap check

A typo in the code checks the return value of iomap against !NULL
and, thus, fails everytime the mapping succeed.

Fix this by inverting the condition in the check.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/clocksource/timer-of.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index 64b1c20..f6e7491 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -120,7 +120,7 @@ static __init int timer_base_init(struct device_node *np,
 	const char *name = of_base->name ? of_base->name : np->full_name;
 
 	of_base->base = of_io_request_and_map(np, of_base->index, name);
-	if (of_base->base) {
+	if (!of_base->base) {
 		pr_err("Failed to iomap (%s)\n", name);
 		return -ENXIO;
 	}
-- 
2.7.4