igc: set the default return value to -IGC_ERR_NVM in igc_write_nvm_srwr
authorKevin Lo <kevlo@kevlo.org>
Sun, 20 Dec 2020 14:18:19 +0000 (22:18 +0800)
committerTony Nguyen <anthony.l.nguyen@intel.com>
Mon, 1 Feb 2021 18:04:43 +0000 (10:04 -0800)
This patch sets the default return value to -IGC_ERR_NVM in
igc_write_nvm_srwr. Without this change it wouldn't lead to a shadow RAM
write EEWR timeout.

Fixes: ab4056126813 ("igc: Add NVM support")
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
drivers/net/ethernet/intel/igc/igc_i225.c

index 8b67d9b49a83a61d76b3fcf44c65b46f33f5dd4f..7ec04e48860c6a52e1c6a09f35a31d3ad3507473 100644 (file)
@@ -219,9 +219,9 @@ static s32 igc_write_nvm_srwr(struct igc_hw *hw, u16 offset, u16 words,
                              u16 *data)
 {
        struct igc_nvm_info *nvm = &hw->nvm;
+       s32 ret_val = -IGC_ERR_NVM;
        u32 attempts = 100000;
        u32 i, k, eewr = 0;
-       s32 ret_val = 0;
 
        /* A check for invalid values:  offset too large, too many words,
         * too many words for the offset, and not enough words.
@@ -229,7 +229,6 @@ static s32 igc_write_nvm_srwr(struct igc_hw *hw, u16 offset, u16 words,
        if (offset >= nvm->word_size || (words > (nvm->word_size - offset)) ||
            words == 0) {
                hw_dbg("nvm parameter(s) out of bounds\n");
-               ret_val = -IGC_ERR_NVM;
                goto out;
        }