1 files changed, 2 insertions, 1 deletions

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);