octeon_ep: Fix error code in probe()

Set the error code if octep_ctrl_net_get_mtu() fails.  Currently the code
returns success.

Fixes: 0a5f8534e398 ("octeon_ep: get max rx packet length from firmware")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Sathesh B Edara <sedara@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
index 1a24b3d3cce6b5e7db77144f7f71a945a6c99c69..f22fd309a78ff4203d786d27153c4df68e8b01bd 100644 (file)
--- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c
@@ -1387,6 +1387,7 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (max_rx_pktlen < 0) {
                dev_err(&octep_dev->pdev->dev,
                        "Failed to get max receive packet size; err = %d\n", max_rx_pktlen);
+               err = max_rx_pktlen;
                goto register_dev_err;
        }
        netdev->min_mtu = OCTEP_MIN_MTU;