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dpaa_eth: Fix missing of_node_put in dpaa_get_ts_info()

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[ Upstream commit 1a7eb80d17 ]

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>
This commit is contained in:
Lv Ruyi
2022-04-08 09:49:41 +00:00
committed by Greg Kroah-Hartman
parent b3afe5a7fd
commit 8d71edabb0
1 changed files with 6 additions and 2 deletions
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8
drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
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@@ -489,11 +489,15 @@ 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);