[PATCH] igc: set the default return value to -IGC_ERR_NVM in igc_write_nvm_srwr

[Kevin Lo]

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.

Signed-off-by: Kevin Lo <ke...@kevlo.org>
---
diff --git a/drivers/net/ethernet/intel/igc/igc_i225.c 
b/drivers/net/ethernet/intel/igc/igc_i225.c
index 8b67d9b49a83..b0a5cd31683e 100644
--- a/drivers/net/ethernet/intel/igc/igc_i225.c
+++ b/drivers/net/ethernet/intel/igc/igc_i225.c
@@ -221,7 +221,7 @@ static s32 igc_write_nvm_srwr(struct igc_hw *hw, u16 
offset, u16 words,
        struct igc_nvm_info *nvm = &hw->nvm;
        u32 attempts = 100000;
        u32 i, k, eewr = 0;
-       s32 ret_val = 0;
+       s32 ret_val = -IGC_ERR_NVM;
 
        /* 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;
        }