mkiss: Fix error handling in mkiss_open()
authorFabio Estevam <fabio.estevam@freescale.com>
Mon, 10 Aug 2015 17:22:43 +0000 (14:22 -0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 11 Aug 2015 04:10:31 +0000 (21:10 -0700)
commit9d332d92a95c9c67abe08b5f7cba64d8fc1e3c76
tree8a659d60ce53b7874e61be581820ab9cb5e9d048
parent182554570a3f01457202206ac784b488cd190f75
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>
drivers/net/hamradio/mkiss.c