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Ruan Jinjie
95b358e4d9
As Simon Horman suggests, update vcap_get_rule() to always return an ERR_PTR() and update the error detection conditions to use IS_ERR(), so use IS_ERR() to check the return value. Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com> Suggested-by: Simon Horman <horms@kernel.org> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.