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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-09-24 21:36:23 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-25 08:04:53 +0200 |
| commit | d618bf2bfd2a095644c852ebea16f5a981f9d875 (patch) | |
| tree | 86bc014c130c068779fe27597e99698725bf5183 /drivers/net/phy/fixed_phy.c | |
| parent | net: fix phy refcounting in a bunch of drivers (diff) | |
| download | linux-d618bf2bfd2a095644c852ebea16f5a981f9d875.tar.xz linux-d618bf2bfd2a095644c852ebea16f5a981f9d875.zip | |
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>
Diffstat (limited to 'drivers/net/phy/fixed_phy.c')
| -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) { |