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authorRussell King <rmk+kernel@arm.linux.org.uk>2015-09-24 20:36:23 +0100
committerDavid S. Miller <davem@davemloft.net>2015-09-24 23:04:53 -0700
commitd618bf2bfd2a095644c852ebea16f5a981f9d875 (patch)
tree86bc014c130c068779fe27597e99698725bf5183 /drivers/net/phy
parent04d53b20fe44afe635b3d4438b437f7a12927e9a (diff)
downloadlinux-linaro-stable-d618bf2bfd2a095644c852ebea16f5a981f9d875.tar.gz
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')
-rw-r--r--drivers/net/phy/fixed_phy.c2
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) {