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483cec55c1
Instead of using sock_kmalloc() to allocate an ip_options and then immediately duplicate another ip_options to the newly allocated one in ipv6_dup_options(), mptcp_copy_ip_options() and sctp_v4_copy_ip_options(), the newly added sock_kmemdup() helper can be used to simplify the code. Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/91ae749d66600ec6fb679e0e518fda6acb5c3e6f.1740735165.git.tanggeliang@kylinos.cn Signed-off-by: Jakub Kicinski <kuba@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 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.