netdev - [PATCH net-next 2/6] net/mlx4_en: Run loopback test only when port is up

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Date:	Tue,  8 Jul 2014 11:25:20 +0300
From:	Amir Vadai <amirv@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
	Yevgeny Petrilin <yevgenyp@...lanox.com>,
	Amir Vadai <amirv@...lanox.com>,
	Eugenia Emantayev <eugenia@...lanox.com>
Subject: [PATCH net-next 2/6] net/mlx4_en: Run loopback test only when port is up

From: Eugenia Emantayev <eugenia@...lanox.com>

Loopback can't work when port is down.


Signed-off-by: Eugenia Emantayev <eugenia@...lanox.com>

Signed-off-by: Amir Vadai <amirv@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_selftest.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
index 03e5f6a..49d5afc 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
@@ -159,7 +159,8 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
 		if (priv->mdev->dev->caps.flags &
 					MLX4_DEV_CAP_FLAG_UC_LOOPBACK) {
 			buf[3] = mlx4_en_test_registers(priv);
-			buf[4] = mlx4_en_test_loopback(priv);
+			if (priv->port_up)
+				buf[4] = mlx4_en_test_loopback(priv);
 		}
 
 		if (carrier_ok)
-- 
1.8.3.4

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