linux-kernel - [PATCH 06/12] tokenring: check given MAC address, if invalid return -EADDRNOTAVAIL

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Date:	Fri, 24 Feb 2012 17:01:16 +0100
From:	Danny Kukawka <danny.kukawka@...ect.de>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Danny Kukawka <dkukawka@...e.de>, Joe Perches <joe@...ches.com>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	"Weiping Pan" <panweiping3@...il.com>,
	Jiri Pirko <jpirko@...hat.com>,
	Alexey Dobriyan <adobriyan@...il.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 06/12] tokenring: check given MAC address, if invalid return -EADDRNOTAVAIL

Check if given address is valid in .ndo_set_mac_address, if
invalid return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.

Signed-off-by: Danny Kukawka <danny.kukawka@...ect.de>
---
 drivers/net/tokenring/3c359.c       |    4 ++++
 drivers/net/tokenring/lanstreamer.c |    4 ++++
 drivers/net/tokenring/olympic.c     |    4 ++++
 drivers/net/tokenring/tms380tr.c    |    3 +++
 4 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/net/tokenring/3c359.c b/drivers/net/tokenring/3c359.c
index d7c292a..3b7034f 100644
--- a/drivers/net/tokenring/3c359.c
+++ b/drivers/net/tokenring/3c359.c
@@ -56,6 +56,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/netdevice.h>
+#include <linux/etherdevice.h>
 #include <linux/trdevice.h>
 #include <linux/stddef.h>
 #include <linux/init.h>
@@ -1498,6 +1499,9 @@ static int xl_set_mac_address (struct net_device *dev, void *addr)
 	struct sockaddr *saddr = addr ; 
 	struct xl_private *xl_priv = netdev_priv(dev);
 
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
+
 	if (netif_running(dev)) { 
 		printk(KERN_WARNING "%s: Cannot set mac/laa address while card is open\n", dev->name) ; 
 		return -EIO ; 
diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 8d71e0d..bec9290 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -113,6 +113,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/netdevice.h>
+#include <linux/etherdevice.h>
 #include <linux/trdevice.h>
 #include <linux/stddef.h>
 #include <linux/init.h>
@@ -1488,6 +1489,9 @@ static int streamer_set_mac_address(struct net_device *dev, void *addr)
 	struct sockaddr *saddr = addr;
 	struct streamer_private *streamer_priv = netdev_priv(dev);
 
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
+
 	if (netif_running(dev)) 
 	{
 		printk(KERN_WARNING "%s: Cannot set mac/laa address while card is open\n", dev->name);
diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c
index fd8dce9..f41eb41 100644
--- a/drivers/net/tokenring/olympic.c
+++ b/drivers/net/tokenring/olympic.c
@@ -94,6 +94,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/netdevice.h>
+#include <linux/etherdevice.h>
 #include <linux/trdevice.h>
 #include <linux/stddef.h>
 #include <linux/init.h>
@@ -1351,6 +1352,9 @@ static int olympic_set_mac_address (struct net_device *dev, void *addr)
 	struct sockaddr *saddr = addr ; 
 	struct olympic_private *olympic_priv = netdev_priv(dev);
 
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
+
 	if (netif_running(dev)) { 
 		printk(KERN_WARNING "%s: Cannot set mac/laa address while card is open\n", dev->name) ; 
 		return -EIO ; 
diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c
index 102f896..3880315 100644
--- a/drivers/net/tokenring/tms380tr.c
+++ b/drivers/net/tokenring/tms380tr.c
@@ -2203,6 +2203,9 @@ static int tms380tr_set_mac_address(struct net_device *dev, void *addr)
 {
 	struct net_local *tp = netdev_priv(dev);
 	struct sockaddr *saddr = addr;
+
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
 	
 	if (tp->AdapterOpenFlag || tp->AdapterVirtOpenFlag) {
 		printk(KERN_WARNING "%s: Cannot set MAC/LAA address while card is open\n", dev->name);
-- 
1.7.8.3

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