[PATCH v3 1/1] net/mlx5: fix port down in link detection error branch

[Yang Xu <xu.yang3@zte.com.cn>]

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The port down state was not initialized in the error branch
when detecting MLX NIC link status. This resulted in incorrect
link state reporting, as the device failed to reflect the actual
down status under error conditions.

Fixes: 1256805dd54 ("net/mlx5: move Linux-specific functions")
Cc: stable@dpdk.org

Signed-off-by: Yang Xu <xu.yang3@zte.com.cn>
---
 .mailmap                                | 1 +
 drivers/net/mlx5/linux/mlx5_ethdev_os.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/.mailmap b/.mailmap
index 34a99f93a1..14d6ee93dd 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1891,3 +1891,4 @@ Zoltan Kiss <zoltan.kiss@schaman.hu> <zoltan.kiss@linaro.org>
 Zorik Machulsky <zorik@amazon.com>
 Zyta Szpak <zyta@marvell.com> <zr@semihalf.com>
 Zyta Szpak <zyta@marvell.com> <zyta.szpak@semihalf.com>
+Yang Xu <xu.yang3@zte.com.cn>
diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
index 9daeda5435..49b88dfebb 100644
--- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
@@ -504,6 +504,7 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete)
 				return -rte_errno;
 			}
 		} else if (ret < 0) {
+			memset(&dev->data->dev_link, 0, sizeof(dev->data->dev_link));
 			return ret;
 		}
 	} while (wait_to_complete || retry-- > 0);
-- 
2.27.0

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