serdev: ttyport: check whether tty_init_dev() fails
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 8 Feb 2017 07:23:24 +0000 (10:23 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Feb 2017 12:54:49 +0000 (13:54 +0100)
commit10d258c51869916347adce4312e6fe41fa5144ad
treed1bf7131a33aeb5da10722eaa0ee8313d46dfde0
parent80cd94e759fd3d7b9fb1a95fa41e2c23e557a525
serdev: ttyport: check whether tty_init_dev() fails

My static checker complains that we don't have any error handling here.
It's simple enough to add it.

Fixes: bed35c6dfa6a ("serdev: add a tty port controller driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serdev/serdev-ttyport.c