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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 /drivers/of
parent48c1699d5335bc045b50989a06b1c526b17a25ff (diff)
downloadlinux-3ae30f4ce65e9d4de274b1472169ab3c27f5c666.tar.gz
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>
Diffstat (limited to 'drivers/of')
-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;