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path: root/drivers/net/tulip/eeprom.c
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Diffstat (limited to 'drivers/net/tulip/eeprom.c')
-rw-r--r--drivers/net/tulip/eeprom.c6
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);