From 9d332d92a95c9c67abe08b5f7cba64d8fc1e3c76 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 10 Aug 2015 14:22:43 -0300
Subject: [PATCH] mkiss: Fix error handling in mkiss_open()

If register_netdev() fails we are not propagating the error and
we return success because ax_open() succeeded previously.

Fix this by checking the return value of ax_open() and
register_netdev() and propagate the error in case of failure.

Reported-by: RUC_Soft_Sec <zy900702@163.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Reading git-format-patch failed