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author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2019-05-28 14:04:02 +0900 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-31 07:27:00 +0200 |
commit | 709ca46f1d46e2fcc7f1ef57053f8ed696a35e4e (patch) | |
tree | daaf5c69c75259849386fa5abab1a4221cb7e133 /drivers/phy | |
parent | 725c7b78115074f67c4f5f7ece3fcb3abd7d9d1a (diff) | |
download | linux-rt-709ca46f1d46e2fcc7f1ef57053f8ed696a35e4e.tar.gz |
phy: renesas: rcar-gen2: Fix memory leak at error paths
[ 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.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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/phy')
-rw-r--r-- | drivers/phy/renesas/phy-rcar-gen2.c | 2 |
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 97d4dd6ea924..aa02b19b7e0e 100644 --- a/drivers/phy/renesas/phy-rcar-gen2.c +++ b/drivers/phy/renesas/phy-rcar-gen2.c @@ -288,6 +288,7 @@ 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]; @@ -303,6 +304,7 @@ 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); |