From: Fugang Duan <fugang.duan@nxp.com>
Date: Wed, 3 Jan 2018 02:39:29 +0000 (+0800)
Subject: net: fec: restore dev_id in the cases of probe error
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=90437795272dfe4b5abaa6dcc612ed0b304b4fb5;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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 faf7cdc97ebf..2250639beef0 100644
--- 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;
 }