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Date:   Mon, 14 Dec 2020 09:24:22 +0800
From:   Kevin Lo <kevlo@...lo.org>
To:     Sasha Neftin <sasha.neftin@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:     Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH v2] igc: set the default return value to -IGC_ERR_NVM in
 igc_write_nvm_srwr

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@...lo.org>
---
v2: Add a Fixes tag.
---
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;
 	}
 

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