From f6517a7e69c10c6057d6c990a9f3ea22a2b62398 Mon Sep 17 00:00:00 2001
From: Chengwen Feng <fengchengwen@huawei.com>
Date: Wed, 21 Apr 2021 17:15:35 +0800
Subject: [PATCH] e1000: fix timeout for shadow RAM write

This fixes the timed out for shadow RAM write EEWR can't be detected.

Fixes: 5a32a257f957 ("e1000: more NICs in base driver")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>

Approved by:	imp
Obtained from:	DPDK (4a8ab48ec47b3616272e50620b8e1a9599358ea6)
MFC after:	1 week
---
 sys/dev/e1000/e1000_i210.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/dev/e1000/e1000_i210.c b/sys/dev/e1000/e1000_i210.c
index cd85a8c3172a..d3692db11245 100644
--- a/sys/dev/e1000/e1000_i210.c
+++ b/sys/dev/e1000/e1000_i210.c
@@ -195,6 +195,8 @@ static s32 e1000_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
 	}
 
 	for (i = 0; i < words; i++) {
+		ret_val = -E1000_ERR_NVM;
+
 		eewr = ((offset + i) << E1000_NVM_RW_ADDR_SHIFT) |
 			(data[i] << E1000_NVM_RW_REG_DATA) |
 			E1000_NVM_RW_REG_START;