Commit d618bf2b authored by Russell King's avatar Russell King Committed by David S. Miller

phy: fixed-phy: properly validate phy in fixed_phy_update_state()

Validate that the phy_device passed into fixed_phy_update_state() is a
fixed-phy device before walking the list of phys for a fixed phy at the
same address.
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 04d53b20
...@@ -220,7 +220,7 @@ int fixed_phy_update_state(struct phy_device *phydev, ...@@ -220,7 +220,7 @@ int fixed_phy_update_state(struct phy_device *phydev,
struct fixed_mdio_bus *fmb = &platform_fmb; struct fixed_mdio_bus *fmb = &platform_fmb;
struct fixed_phy *fp; struct fixed_phy *fp;
if (!phydev || !phydev->bus) if (!phydev || phydev->bus != fmb->mii_bus)
return -EINVAL; return -EINVAL;
list_for_each_entry(fp, &fmb->phys, node) { list_for_each_entry(fp, &fmb->phys, node) {
......
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