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igb: limit EEPROM access

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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>
This commit is contained in:
Jeff Kirsher 2008-06-27 10:59:33 -07:00 committed by Jeff Garzik
parent 532f4aee93
commit 5c3cad754c
1 changed files with 4 additions and 0 deletions
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4
drivers/net/igb/e1000_82575.c
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@ -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 */