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authorJohan Hovold <johan@kernel.org>2016-11-16 15:20:37 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-17 12:05:04 -0500
commit3ae30f4ce65e9d4de274b1472169ab3c27f5c666 (patch)
tree9e65dc4f80eb0f1a69eff5e556e72ff883992fa7
parentof_mdio: fix node leak in of_phy_register_fixed_link error path (diff)
downloadlinux-dev-3ae30f4ce65e9d4de274b1472169ab3c27f5c666.tar.xz
linux-dev-3ae30f4ce65e9d4de274b1472169ab3c27f5c666.zip
of_mdio: fix device reference leak in of_phy_find_device
Make sure to drop the reference taken by bus_find_device() before returning NULL from of_phy_find_device() when the found device is not a PHY. Fixes: 6ed742363b9c ("of: of_mdio: Ensure mdio device is a PHY") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/of/of_mdio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 8f4648383fb2..5a3145a02547 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -292,6 +292,7 @@ struct phy_device *of_phy_find_device(struct device_node *phy_np)
mdiodev = to_mdio_device(d);
if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY)
return to_phy_device(d);
+ put_device(d);
}
return NULL;