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7a945ce0c1
As the nla_nest_start() may fail with NULL returned, the return value should be checked. Note that this is not a real bug, nothing will break here. The next nla_put() will fail as well and we'll bail (and nla_nest_cancel() can handle NULL). But we keep getting those "fixes" so whatever. Signed-off-by: Yuan Can <yuancan@huawei.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20221129013934.55184-1-yuancan@huawei.com 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 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.