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97f47617e8
[ Upstream commit f014165faa ]
If device_register() returns error, the name allocated by the
dev_set_name() need be freed. As described in the comment of
device_register(), we should use put_device() to give up the reference in
the error path.
Fix this by calling put_device(), the name will be freed in the
kobject_cleanup(), and this patch modified resources will be released by
calling the corresponding callback function in the device_release().
Signed-off-by: Zhou Guanghui <zhouguanghui1@huawei.com>
Link: https://lore.kernel.org/r/20221110033729.1555-1-zhouguanghui1@huawei.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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.