linux-kernel - [PATCH] clocksource/drivers/integrator-ap: add of_node

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Message-Id: <20181120131853.19710-1-tiny.windzz@gmail.com>
Date:   Tue, 20 Nov 2018 08:18:53 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     daniel.lezcano@...aro.org, tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org, Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] clocksource/drivers/integrator-ap: add of_node_put()

use of_node_put() to release the refcount.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/clocksource/timer-integrator-ap.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/clocksource/timer-integrator-ap.c b/drivers/clocksource/timer-integrator-ap.c
index 76e526f58620..50e0a9166f66 100644
--- a/drivers/clocksource/timer-integrator-ap.c
+++ b/drivers/clocksource/timer-integrator-ap.c
@@ -204,8 +204,6 @@ static int __init integrator_ap_timer_init_of(struct device_node *node)
 		return err;
 	}
 
-	pri_node = of_find_node_by_path(path);
-
 	err = of_property_read_string(of_aliases,
 				"arm,timer-secondary", &path);
 	if (err) {
@@ -213,14 +211,18 @@ static int __init integrator_ap_timer_init_of(struct device_node *node)
 		return err;
 	}
 
+	pri_node = of_find_node_by_path(path);
+	if (node == pri_node){
+		of_node_put(pri_node);
 
-	sec_node = of_find_node_by_path(path);
-
-	if (node == pri_node)
 		/* The primary timer lacks IRQ, use as clocksource */
 		return integrator_clocksource_init(rate, base);
+	}
 
+	sec_node = of_find_node_by_path(path);
 	if (node == sec_node) {
+		of_node_put(sec_node);
+
 		/* The secondary timer will drive the clock event */
 		irq = irq_of_parse_and_map(node, 0);
 		return integrator_clockevent_init(rate, base, irq);
-- 
2.17.0