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856c299899
The rv cannot be 'EAGAIN' in the previous path, we should use '-EAGAIN' to check it. For example: Call trace: ->siw_cm_work_handler ->siw_proc_mpareq ->siw_recv_mpa_rr Link: https://lore.kernel.org/r/20201028122509.47074-1-zhangqilong3@huawei.com Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com> Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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.