From 8d7c294cae6fd1474d88267810d1965f60a903af Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Wed, 2 Apr 2008 13:48:07 -0700 Subject: [PATCH] e1000e: limit EEPROM size accesses Signed-off-by: Jeff Kirsher Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/e1000e/82571.c | 4 ++++ drivers/net/e1000e/es2lan.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index f7e1619b974e..9b46a00bb5f1 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -171,6 +171,10 @@ static s32 e1000_init_nvm_params_82571(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; break; } diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c index e3f4aeefeae2..2689e4b83f9b 100644 --- a/drivers/net/e1000e/es2lan.c +++ b/drivers/net/e1000e/es2lan.c @@ -178,6 +178,10 @@ static s32 e1000_init_nvm_params_80003es2lan(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; return 0; -- 2.30.2