[PATCH 7/9] phy: fixed-phy: properly validate phy in fixed_phy_update_state()

From	Russell King <rmk+kernel@arm.linux.org.uk>
Newsgroups	linux.kernel
Subject	[PATCH 7/9] phy: fixed-phy: properly validate phy in fixed_phy_update_state()
Date	2015-09-22 18:20 +0200
Message-ID	<qbysp-219-7@gated-at.bofh.it> (permalink)
References	<qbysp-219-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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[PATCH 7/9] phy: fixed-phy: properly validate phy in  fixed_phy_update_state() Russell King <rmk+kernel@arm.linux.org.uk> - 2015-09-22 18:20 +0200

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