diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-09-24 20:36:23 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-24 23:04:53 -0700 |
| commit | d618bf2bfd2a095644c852ebea16f5a981f9d875 (patch) | |
| tree | 86bc014c130c068779fe27597e99698725bf5183 | |
| parent | 04d53b20fe44afe635b3d4438b437f7a12927e9a (diff) | |
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: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/phy/fixed_phy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index fb1299c6326e..e23bf5b90e17 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -220,7 +220,7 @@ int fixed_phy_update_state(struct phy_device *phydev, struct fixed_mdio_bus *fmb = &platform_fmb; struct fixed_phy *fp; - if (!phydev || !phydev->bus) + if (!phydev || phydev->bus != fmb->mii_bus) return -EINVAL; list_for_each_entry(fp, &fmb->phys, node) { |