Yang Yingliang 33519ccf94 pcmcia: cs: fix possible hung task and memory leak pccardd()
[ Upstream commit e3ea1b4847 ]

If device_register() returns error in pccardd(), it leads two issues:

1. The socket_released has never been completed, it will block
   pcmcia_unregister_socket(), because of waiting for completion
   of socket_released.
2. The device name allocated by dev_set_name() is leaked.

Fix this two issues by calling put_device() when device_register() fails.
socket_released can be completed in pcmcia_release_socket(), the name can
be freed in kobject_cleanup().

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 11:59:31 +01:00
2023-11-20 11:58:52 +01:00
2023-10-19 16:40:00 +02:00
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2023-11-08 11:56:25 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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