mISDN: fix misuse of put_device() in mISDN_register_device()

stable inclusion
from stable-v5.10.156
commit 709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7MCG1

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c



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[ Upstream commit 2d25107e ]

We should not release reference by put_device() before calling device_initialize().

Fixes: e7d1d4d9 ("mISDN: fix possible memory leak in mISDN_register_device()")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>