net: fec: restore dev_id in the cases of probe error

[ Upstream commit e90f686b4358d7d7e5dbaa48b8e78c9a4e41826e ]

The static variable dev_id always plus one before netdev registerred.
It should restore the dev_id value in the cases of probe error.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index faf7cdc..2250639 100644 (file)
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3543,6 +3543,7 @@ failed_phy:
        of_node_put(phy_node);
 failed_ioremap:
        free_netdev(ndev);
+       dev_id--;
 
        return ret;
 }