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authorDaniel Drake <dsd@laptop.org>2009-12-24 08:11:24 +0000
committerDavid S. Miller <davem@davemloft.net>2009-12-26 20:24:45 -0800
commit1f04493123763f5b8bc6d5de9aed0222345c052c (patch)
tree85b27e8a82a63a875740b67e9016fc11f432c453 /drivers/net
parentf74dac0859bd9678b289ad9dc215026fd7ce033e (diff)
Fix MAC address access in 3c507, ibmlana, pcnet32 and libertas
Commit f001fde5eadd915f4858d22ed70d7040f48767cf changed net_device.dev_addr from a 32-byte array to a pointer. I found 4 ethernet drivers which rely on sizeof(dev_addr), which are now only copying 4 bytes of the address information on 32bit systems. Fix them to use ETH_ALEN. Signed-off-by: Daniel Drake <dsd@laptop.org> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/3c507.c4
-rw-r--r--drivers/net/ibmlana.c3
-rw-r--r--drivers/net/pcnet32.c3
-rw-r--r--drivers/net/wireless/libertas/mesh.c4
4 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c
index fbc231153e55..77cf0901a441 100644
--- a/drivers/net/3c507.c
+++ b/drivers/net/3c507.c
@@ -56,6 +56,7 @@ static const char version[] =
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/init.h>
@@ -734,8 +735,7 @@ static void init_82586_mem(struct net_device *dev)
memcpy_toio(lp->base, init_words + 5, sizeof(init_words) - 10);
/* Fill in the station address. */
- memcpy_toio(lp->base+SA_OFFSET, dev->dev_addr,
- sizeof(dev->dev_addr));
+ memcpy_toio(lp->base+SA_OFFSET, dev->dev_addr, ETH_ALEN);
/* The Tx-block list is written as needed. We just set up the values. */
lp->tx_cmd_link = IDLELOOP + 4;
diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c
index 090a6d3af112..052c74091d91 100644
--- a/drivers/net/ibmlana.c
+++ b/drivers/net/ibmlana.c
@@ -87,6 +87,7 @@ History:
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
@@ -988,7 +989,7 @@ static int __devinit ibmlana_init_one(struct device *kdev)
/* copy out MAC address */
- for (z = 0; z < sizeof(dev->dev_addr); z++)
+ for (z = 0; z < ETH_ALEN; z++)
dev->dev_addr[z] = inb(dev->base_addr + MACADDRPROM + z);
/* print config */
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index dcc67a35e8f2..e154677ff706 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -45,6 +45,7 @@ static const char *const version =
#include <linux/crc32.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/moduleparam.h>
@@ -1765,7 +1766,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
/* if the ethernet address is not valid, force to 00:00:00:00:00:00 */
if (!is_valid_ether_addr(dev->perm_addr))
- memset(dev->dev_addr, 0, sizeof(dev->dev_addr));
+ memset(dev->dev_addr, 0, ETH_ALEN);
if (pcnet32_debug & NETIF_MSG_PROBE) {
printk(" %pM", dev->dev_addr);
diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c
index 2f91c9b808af..92b7a357a5e4 100644
--- a/drivers/net/wireless/libertas/mesh.c
+++ b/drivers/net/wireless/libertas/mesh.c
@@ -2,6 +2,7 @@
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/netdevice.h>
+#include <linux/if_ether.h>
#include <linux/if_arp.h>
#include <linux/kthread.h>
#include <linux/kfifo.h>
@@ -351,8 +352,7 @@ int lbs_add_mesh(struct lbs_private *priv)
mesh_dev->netdev_ops = &mesh_netdev_ops;
mesh_dev->ethtool_ops = &lbs_ethtool_ops;
- memcpy(mesh_dev->dev_addr, priv->dev->dev_addr,
- sizeof(priv->dev->dev_addr));
+ memcpy(mesh_dev->dev_addr, priv->dev->dev_addr, ETH_ALEN);
SET_NETDEV_DEV(priv->mesh_dev, priv->dev->dev.parent);