Commit 80b188da authored Apr 08, 2022 by Lv Ruyi Committed by Greg Kroah-Hartman Apr 27, 2022

dpaa_eth: Fix missing of_node_put in dpaa_get_ts_info()



[ Upstream commit 1a7eb80d170c28be2928433702256fe2a0bd1e0f ]

Both of of_get_parent() and of_parse_phandle() return node pointer with
refcount incremented, use of_node_put() on it to decrease refcount
when done.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 46f9fa0a

drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -506,11 +506,15 @@ static int dpaa_get_ts_info(struct net_device *net_dev,
		info->phc_index = -1;

		fman_node = of_get_parent(mac_node);
		if (fman_node)
		if (fman_node) {
		ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
		of_node_put(fman_node);
		}

		if (ptp_node)
		if (ptp_node) {
		ptp_dev = of_find_device_by_node(ptp_node);
		of_node_put(ptp_node);
		}

		if (ptp_dev)
		ptp = platform_get_drvdata(ptp_dev);