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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/pcnet32.c
parentf74dac0859bd9678b289ad9dc215026fd7ce033e (diff)
downloadop-kernel-dev-1f04493123763f5b8bc6d5de9aed0222345c052c.zip
op-kernel-dev-1f04493123763f5b8bc6d5de9aed0222345c052c.tar.gz
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/pcnet32.c')
-rw-r--r--drivers/net/pcnet32.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index dcc67a3..e154677 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);
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