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335a2a1fce
Making '!=' operation with 0 directly after calling the function xfrm_parse_spi() is more efficient, assignment to err is redundant. Eliminate the following clang_analyzer warning: net/ipv4/esp4_offload.c:41:7: warning: Although the value stored to 'err' is used in the enclosing expression, the value is never actually read from 'err' No functional change, only more efficient. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.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.