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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2008-06-27 10:59:33 -0700
committerJeff Garzik <jgarzik@redhat.com>2008-07-04 08:46:56 -0400
commit5c3cad754cba4252f5b4e74fb217e3bdd0c03662 (patch)
tree36ff6beee96b740a7ab91c5fb599f12b0d2d8196 /drivers/net/igb
parent532f4aee934cf26f1905fae101ac9f0ba3087f21 (diff)
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>
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/e1000_82575.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index cda3ec87909..39d44dc072e 100644
--- 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 */