diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index e98c15adb7e2ad4329c07bb1f9ce94731410c763..7cf9dadcb471bbfee9ef32761123ece4ceac131d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2440,7 +2440,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
 	 * No return code for this call, just warn the user in case of PCI
 	 * express device capabilities are under-satisfied by the bus.
 	 */
-	mlx4_check_pcie_caps(dev);
+	if (!mlx4_is_slave(dev))
+		mlx4_check_pcie_caps(dev);
 
 	/* In master functions, the communication channel must be initialized
 	 * after obtaining its address from fw */