[ Upstream commit d4a36e82924d3305a17ac987a510f3902df5a4b2 ] This patch fixes memory leak at error paths of the probe function. In for_each_child_of_node, if the loop returns, the driver should call of_put_node() before returns.
Reported-by: Julia Lawall <julia.law...@lip6.fr> Fixes: 1233f59f745b237 ("phy: Renesas R-Car Gen2 PHY driver") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be> Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/phy/phy-rcar-gen2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/phy/phy-rcar-gen2.c b/drivers/phy/phy-rcar-gen2.c index c7a05996d5c1..99d2b73654f4 100644 --- a/drivers/phy/phy-rcar-gen2.c +++ b/drivers/phy/phy-rcar-gen2.c @@ -287,6 +287,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev) error = of_property_read_u32(np, "reg", &channel_num); if (error || channel_num > 2) { dev_err(dev, "Invalid \"reg\" property\n"); + of_node_put(np); return error; } channel->select_mask = select_mask[channel_num]; @@ -302,6 +303,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev) &rcar_gen2_phy_ops); if (IS_ERR(phy->phy)) { dev_err(dev, "Failed to create PHY\n"); + of_node_put(np); return PTR_ERR(phy->phy); } phy_set_drvdata(phy->phy, phy); -- 2.20.1