linux-kernel - [PATCH] cpuidle: dt: Add missing 'of_node

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Message-Id: <20170611122854.4182-1-christophe.jaillet@wanadoo.fr>
Date:   Sun, 11 Jun 2017 14:28:54 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     rjw@...ysocki.net, daniel.lezcano@...aro.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] cpuidle: dt: Add missing 'of_node_put()'

'of_node_put()' should be called on pointer returned by
'of_parse_phandle()' when done. In this function this is done in all path
except this 'continue', so add it.

Fixes: 97735da074fd ("drivers: cpuidle: Add status property to ARM idle states")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/cpuidle/dt_idle_states.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c
index ffca4fc0061d..ae8eb0359889 100644
--- a/drivers/cpuidle/dt_idle_states.c
+++ b/drivers/cpuidle/dt_idle_states.c
@@ -180,8 +180,10 @@ int dt_init_idle_driver(struct cpuidle_driver *drv,
 		if (!state_node)
 			break;
 
-		if (!of_device_is_available(state_node))
+		if (!of_device_is_available(state_node)) {
+			of_node_put(state_node);
 			continue;
+		}
 
 		if (!idle_state_valid(state_node, i, cpumask)) {
 			pr_warn("%s idle state not valid, bailing out\n",
-- 
2.11.0