[PATCH v2] ata: pata_macio: add of_node_put()

From: Yangtao Li
Date: Thu Nov 22 2018 - 07:39:29 EST


of_find_node_by_path() acquires a reference to the node
returned by it and that reference needs to be dropped by its caller.
This place doesn't do that, so fix it.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
Changes in v2:
-update changelog
---
drivers/ata/pata_macio.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 9588e685d994..8cc9c429ad95 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -483,6 +483,8 @@ static int pata_macio_cable_detect(struct ata_port *ap)
struct device_node *root = of_find_node_by_path("/");
const char *model = of_get_property(root, "model", NULL);

+ of_node_put(root);
+
if (cable && !strncmp(cable, "80-", 3)) {
/* Some drives fail to detect 80c cable in PowerBook
* These machine use proprietary short IDE cable
--
2.17.0