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List: linux-netdev
Subject: Re: [PATCH 4/8] e1000e: limit EEPROM size accesses
From: "Kok, Auke" <auke-jan.h.kok () intel ! com>
Date: 2008-03-31 16:33:36
Message-ID: 47F11260.6070808 () intel ! com
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Jeff Garzik wrote:
> Auke Kok wrote:
>> From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
>>
>> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
>> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
>> ---
>>
>> drivers/net/e1000e/82571.c | 4 ++++
>> drivers/net/e1000e/es2lan.c | 4 ++++
>> 2 files changed, 8 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
>> index f7e1619..9b46a00 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 e3f4aee..2689e4b 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;
>
> Is this 2.6.25-rc material?
hardly, there are no known bugs again us reading too far in the eeprom. 2.6.26+ is
fine.
Auke
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