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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2019-05-28 14:04:02 +0900
committerKishon Vijay Abraham I <kishon@ti.com>2019-06-12 15:35:44 +0530
commitd4a36e82924d3305a17ac987a510f3902df5a4b2 (patch)
treedf76ae9f382d0050b4bf7cb0d3e50fe9e5ed7fc8 /drivers/phy/renesas/phy-rcar-gen2.c
parentd98010817a26eba8d4d1e8a639e0b7d7f042308a (diff)
downloadlwn-d4a36e82924d3305a17ac987a510f3902df5a4b2.tar.gz
lwn-d4a36e82924d3305a17ac987a510f3902df5a4b2.zip
phy: renesas: rcar-gen2: Fix memory leak at error paths
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.lawall@lip6.fr> Fixes: 1233f59f745b237 ("phy: Renesas R-Car Gen2 PHY driver") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy/renesas/phy-rcar-gen2.c')
-rw-r--r--drivers/phy/renesas/phy-rcar-gen2.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/phy/renesas/phy-rcar-gen2.c b/drivers/phy/renesas/phy-rcar-gen2.c
index 8dc5710d9c98..2926e4937301 100644
--- a/drivers/phy/renesas/phy-rcar-gen2.c
+++ b/drivers/phy/renesas/phy-rcar-gen2.c
@@ -391,6 +391,7 @@ 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];
@@ -406,6 +407,7 @@ static int rcar_gen2_phy_probe(struct platform_device *pdev)
data->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);