Messages in this thread Patch in this message | | | From | Russell King <> | Subject | [PATCH 6/7] phy: fixed-phy: properly validate phy in fixed_phy_update_state() | Date | Fri, 18 Sep 2015 10:55:22 +0100 |
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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> --- drivers/net/phy/fixed_phy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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) { -- 2.1.0
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