diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index ad39d64b81080fd3abb71fa2cc7bf8de9c6d11e6..088205d7f1a1955231ebe410d51f6837147e8d39 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -1184,7 +1184,7 @@ int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
 	int err;
 
 	if (!MLX5_CAP_GEN(dev->mdev, cq_moderation))
-		return -ENOSYS;
+		return -EOPNOTSUPP;
 
 	if (cq_period > MLX5_MAX_CQ_PERIOD)
 		return -EINVAL;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 2706bf26cbace4c80136da652ecbc36a42c3fd2e..83429925dfc69cc2c278fb59d8b7f16d72a02bb1 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -102,7 +102,7 @@ static int ipoib_set_coalesce(struct net_device *dev,
 	ret = rdma_set_cq_moderation(priv->recv_cq,
 				     coal->rx_max_coalesced_frames,
 				     coal->rx_coalesce_usecs);
-	if (ret && ret != -ENOSYS) {
+	if (ret && ret != -EOPNOTSUPP) {
 		ipoib_warn(priv, "failed modifying CQ (%d)\n", ret);
 		return ret;
 	}