diff mbox

[V2,2/7] opp: handle of_node_{get|put}() inside of_init_opp_table()

Message ID 62e2dc5fd75e25ff85a6b09f35fbeb476e1c35db.1400670427.git.viresh.kumar@linaro.org
State New
Headers show

Commit Message

Viresh Kumar May 21, 2014, 11:10 a.m. UTC 
All callers of of_init_opp_table() are required to call of_node_{get|put}()
before and after calling it. It would be better if this can be handled within
of_init_opp_table().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 drivers/base/power/opp.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index faae9cf..2b615b9 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -622,6 +622,9 @@  int of_init_opp_table(struct device *dev)
 	const __be32 *val;
 	int nr;
 
+	if (!of_node_get(dev->of_node))
+		return -ENODEV;
+
 	prop = of_find_property(dev->of_node, "operating-points", NULL);
 	if (!prop)
 		return -ENODEV;
@@ -649,6 +652,7 @@  int of_init_opp_table(struct device *dev)
 		nr -= 2;
 	}
 
+	of_node_put(dev->of_node);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(of_init_opp_table);