ata: pata_macio: add of_node_put()

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.

Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 9588e685d994cf267b1fb4f491749b717274aa0f..8cc9c429ad9589e54f06db537ff9688f94a28988 100644 (file)
--- 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);
 
                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
                if (cable && !strncmp(cable, "80-", 3)) {
                        /* Some drives fail to detect 80c cable in PowerBook
                         * These machine use proprietary short IDE cable