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Li Zetao says: ==================== net: Delete some redundant judgments This patchset aims to remove some unnecessary judgments and make the code more concise. In some network modules, rtnl_set_sk_err is used to record error information, but the err is repeatedly judged to be less than 0 on the error path. Deleted these redundant judgments. No functional change intended. ==================== 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 reStructuredText 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.