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authorMiaoqian Lin <linmq006@gmail.com>2022-03-10 04:53:13 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-03-16 16:23:39 +0300
commitf49f646f9ec296fc0afe7ae92c2bb47f23e3846c (patch)
treefb45a422dc47efcf44308b9c4a2a6c1700818048 /drivers/net
parentc7f6accc67950b97059e95af7616df367a129195 (diff)
downloadlinux-f49f646f9ec296fc0afe7ae92c2bb47f23e3846c.tar.xz
gianfar: ethtool: Fix refcount leak in gfar_get_ts_info
[ Upstream commit 2ac5b58e645c66932438bb021cb5b52097ce70b0 ] The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount. Fixes: 7349a74ea75c ("net: ethernet: gianfar_ethtool: get phc index through drvdata") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com> Link: https://lore.kernel.org/r/20220310015313.14938-1-linmq006@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ethtool.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
index 7b32ed29bf4c..8c17fe5d66ed 100644
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -1460,6 +1460,7 @@ static int gfar_get_ts_info(struct net_device *dev,
ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp");
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);
}