diff mbox series

[4.4,096/312] phy: fix device reference leaks

Message ID 20200508123131.285141534@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 8, 2020, 12:31 p.m. UTC 
From: Johan Hovold <johan@kernel.org>

commit 17ae1c650c1ecf8dc8e16d54b0f68a345965f43f upstream.

Make sure to drop the reference taken by bus_find_device_by_name()
before returning from phy_connect() and phy_attach().

Note that both function still take a reference to the phy device
through phy_attach_direct().

Fixes: e13934563db0 ("[PATCH] PHY Layer fixup")
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/phy/phy_device.c |    2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -522,6 +522,7 @@  struct phy_device *phy_connect(struct ne
 	phydev = to_phy_device(d);
 
 	rc = phy_connect_direct(dev, phydev, handler, interface);
+	put_device(d);
 	if (rc)
 		return ERR_PTR(rc);
 
@@ -721,6 +722,7 @@  struct phy_device *phy_attach(struct net
 	phydev = to_phy_device(d);
 
 	rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface);
+	put_device(d);
 	if (rc)
 		return ERR_PTR(rc);