2 files changed, 12 insertions, 1 deletions

diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
index 206918bad539..da2206f6021d 100644
--- a/drivers/net/tulip/eeprom.c
+++ b/drivers/net/tulip/eeprom.c
@@ -343,6 +343,12 @@ int __devinit tulip_read_eeprom(struct net_device *dev, int location, int addr_l
         void __iomem *ee_addr = tp->base_addr + CSR9;
         int read_cmd = location | (EE_READ_CMD << addr_len);
 
+        /* If location is past the end of what we can address, don't
+         * read some other location (ie truncate). Just return zero.
+         */
+        if (location > (1 << addr_len) - 1)
+                return 0;
+
         iowrite32(EE_ENB & ~EE_CS, ee_addr);
         iowrite32(EE_ENB, ee_addr);
 
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index ed600bf56e78..82f404b76d81 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -1437,6 +1437,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
            EEPROM.
            */
         ee_data = tp->eeprom;
+        memset(ee_data, 0, sizeof(tp->eeprom));
         sum = 0;
         if (chip_idx == LC82C168) {
                 for (i = 0; i < 3; i++) {
@@ -1458,8 +1459,12 @@ static int __devinit tulip_init_one (struct pci_dev *pdev,
                 /* A serial EEPROM interface, we read now and sort it out later. */
                 int sa_offset = 0;
                 int ee_addr_size = tulip_read_eeprom(dev, 0xff, 8) & 0x40000 ? 8 : 6;
+                int ee_max_addr = ((1 << ee_addr_size) - 1) * sizeof(u16);
 
-                for (i = 0; i < sizeof(tp->eeprom); i+=2) {
+                if (ee_max_addr > sizeof(tp->eeprom))
+                        ee_max_addr = sizeof(tp->eeprom);
+
+                for (i = 0; i < ee_max_addr ; i += sizeof(u16)) {
                         u16 data = tulip_read_eeprom(dev, i/2, ee_addr_size);
                         ee_data[i] = data & 0xff;
                         ee_data[i + 1] = data >> 8;