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Date:	Fri, 11 May 2007 14:58:41 +0400
From:	"Matvejchikov Ilya" <matvejchikov@...il.com>
To:	"Jeff Garzik" <jeff@...zik.org>
Cc:	"Randy Dunlap" <randy.dunlap@...cle.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] phylib: phy_ethtool_{sset,gset} -- check phydev for NULL

Signed-off-by: Matvejchikov Ilya <matvejchikov@...il.com>
---

diff -purN linux-2.6.21-clean/drivers/net/phy/phy.c
linux-2.6.21/drivers/net/phy/phy.c
--- linux-2.6.21-clean/drivers/net/phy/phy.c	2007-04-26 07:08:32.000000000 +0400
+++ linux-2.6.21/drivers/net/phy/phy.c	2007-05-04 08:22:01.000000000 +0400
@@ -245,6 +245,9 @@ EXPORT_SYMBOL(phy_sanitize_settings);
  */
 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd)
 {
+	if (unlikely(!phydev))
+		return -EINVAL;
+
 	if (cmd->phy_address != phydev->addr)
 		return -EINVAL;

@@ -289,6 +292,9 @@ EXPORT_SYMBOL(phy_ethtool_sset);

 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd)
 {
+	if (unlikely(!phydev))
+		return -EINVAL;
+
 	cmd->supported = phydev->supported;

 	cmd->advertising = phydev->advertising;
-
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