of_node_put needs to be called when the device node which is got from of_parse_phandle has finished using.
Signed-off-by: Peter Chen <peter.c...@nxp.com> --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 3fb87e2..5c8afe1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -795,6 +795,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n", mac_cb->mac_id, np->name); } + of_node_put(np); return 0; } @@ -812,10 +813,12 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n", mac_cb->mac_id, np->name); } + of_node_put(np); - syscon = syscon_node_to_regmap( - of_parse_phandle(to_of_node(mac_cb->fw_port), - "serdes-syscon", 0)); + np = of_parse_phandle(to_of_node(mac_cb->fw_port), + "serdes-syscon", 0); + syscon = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR_OR_NULL(syscon)) { dev_err(mac_cb->dev, "serdes-syscon is needed!\n"); return -EINVAL; -- 1.9.1