igb: limit EEPROM access

EEPROM access beyond the base eeprom page is unsupported. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
git-mirror · Jul 4, 2008 · 5c3cad7 · 5c3cad7
1 parent 532f4ae
commit 5c3cad7
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
@@ -171,6 +171,10 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	 * for setting word_size.
 	 */
 	size += NVM_WORD_SIZE_BASE_SHIFT;
+
+	/* EEPROM access above 16k is unsupported */
+	if (size > 14)
+		size = 14;
 	nvm->word_size = 1 << size;
 
 	/* setup PHY parameters */