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path: root/drivers/infiniband/hw
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Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 75d305629300..b948b6dd5d55 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -247,12 +247,17 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port,
NULL, NULL, in_mad, out_mad);
if (err)
- return err;
+ goto out;
/* Checking LinkSpeedActive for FDR-10 */
if (out_mad->data[15] & 0x1)
props->active_speed = IB_SPEED_FDR10;
}
+
+ /* Avoid wrong speed value returned by FW if the IB link is down. */
+ if (props->state == IB_PORT_DOWN)
+ props->active_speed = IB_SPEED_SDR;
+
out:
kfree(in_mad);
kfree(out_mad);