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i40e: fix unconditional execution of cpu_to_le16()

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The commit 3092e5e4cc79 ("i40e: add little endian conversion for
checksum") fixed the checksum bug on big-endian architecture.

But we should not execute cpu_to_le16() unconditionally. Thus, put
cpu_to_le16() under certain condition.

Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jean Sacren 2015-10-13 01:06:32 -06:00 committed by Jeff Kirsher
parent 0e5229c6c5
commit 2fc4cd52fa
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/intel/i40e/i40e_nvm.c
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@ -569,10 +569,11 @@ i40e_status i40e_update_nvm_checksum(struct i40e_hw *hw)
__le16 le_sum;
ret_code = i40e_calc_nvm_checksum(hw, &checksum);
le_sum = cpu_to_le16(checksum);
if (!ret_code)
if (!ret_code) {
le_sum = cpu_to_le16(checksum);
ret_code = i40e_write_nvm_aq(hw, 0x00, I40E_SR_SW_CHECKSUM_WORD,
1, &le_sum, true);
}
return ret_code;
}