EDAC: Fix memleak in module init error path

EDAC: Fix memleak in module init error path

BugLink: https://bugs.launchpad.net/bugs/1836287
[ Upstream commit 4708aa85d50cc6e962dfa8acf5ad4e0d290a21db ]

Make sure to use put_device() to free the initialised struct device so
that resources managed by driver core also gets released in the event of
a registration failure.

Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: Denis Kirjanov <kirjanov@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Fixes: 2d56b109e3a5 ("EDAC: Handle error path in edac_mc_sysfs_init() properly")
Link: http://lkml.kernel.org/r/20180612124335.6420-1-johan@kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>