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e1000e: cleanup multiple common exit points 

...in e1000_update_nvm_checksum_ich8lan().

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bruce Allan 2010-05-10 15:00:31 +00:00 committed by David S. Miller
parent 52a9b23196
commit 9c5e209d4b
1 changed files with 17 additions and 24 deletions
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41
drivers/net/e1000e/ich8lan.c
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@ -1938,18 +1938,14 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
new_bank_offset = nvm->flash_bank_size;
old_bank_offset = 0;
ret_val = e1000_erase_flash_bank_ich8lan(hw, 1);
if (ret_val) {
nvm->ops.release(hw);
goto out;
}
if (ret_val)
goto release;
} else {
old_bank_offset = nvm->flash_bank_size;
new_bank_offset = 0;
ret_val = e1000_erase_flash_bank_ich8lan(hw, 0);
if (ret_val) {
nvm->ops.release(hw);
goto out;
}
if (ret_val)
goto release;
}
for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
@ -2005,8 +2001,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
if (ret_val) {
/* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
e_dbg("Flash commit failed.\n");
nvm->ops.release(hw);
goto out;
goto release;
}
/*
@ -2017,18 +2012,15 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
*/
act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data);
if (ret_val) {
nvm->ops.release(hw);
goto out;
}
if (ret_val)
goto release;
data &= 0xBFFF;
ret_val = e1000_retry_write_flash_byte_ich8lan(hw,
act_offset * 2 + 1,
(u8)(data >> 8));
if (ret_val) {
nvm->ops.release(hw);
goto out;
}
if (ret_val)
goto release;
/*
* And invalidate the previously valid segment by setting
@ -2038,10 +2030,8 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
*/
act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
if (ret_val) {
nvm->ops.release(hw);
goto out;
}
if (ret_val)
goto release;
/* Great! Everything worked, we can now clear the cached entries. */
for (i = 0; i < E1000_ICH8_SHADOW_RAM_WORDS; i++) {
@ -2049,14 +2039,17 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
dev_spec->shadow_ram[i].value = 0xFFFF;
}
release:
nvm->ops.release(hw);
/*
* Reload the EEPROM, or else modifications will not appear
* until after the next adapter reset.
*/
e1000e_reload_nvm(hw);
msleep(10);
if (!ret_val) {
e1000e_reload_nvm(hw);
msleep(10);
}
out:
if (ret_val)