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Subject[NET-NEXT PATCH 01/18] igb: limit EEPROM access
Date
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>
---
drivers/net/igb/e1000_82575.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index cda3ec8..39d44dc 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 */


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