Merge branch 'upstream-davem' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

1 files changed, 6 insertions, 0 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);