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8cdc56f99e
mptcp_pm_parse_entry() will check if the given attribute is defined. If not, it will return a generic error: "missing address info". It might then not be clear for the userspace developer which attribute is missing, especially when the command takes multiple addresses. By using GENL_REQ_ATTR_CHECK(), the userspace will get a hint about which attribute is missing, making thing clearer. Note that this is what was already done for most of the other MPTCP NL commands, this patch simply adds the missing ones. Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.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 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.