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52f83c0b5f
Instead of using sock_kmalloc() to allocate an address entry "e" and then immediately duplicate the input "entry" to it, the newly added sock_kmemdup() helper can be used in mptcp_userspace_pm_append_new_local_addr() to simplify the code. More importantly, the code "*e = *entry;" that assigns "entry" to "e" is not easy to implemented in BPF if we use the same code to implement an append_new_local_addr() helper of a BFP path manager. This patch avoids this type of memory assignment operation. Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/3e5a307aed213038a87e44ff93b5793229b16279.1740735165.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.