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6b9c129c2f
Instead of using auxiliary boolean that tracks if we are at first frag when gathering all elements of skb, same functionality can be achieved with checking if skb_shared_info::nr_frags is 0. Remove @first_frag but be careful around xsk_build_skb_zerocopy() and NULL the skb pointer when it failed so that common error path does not incorrectly interpret it during decision whether to call kfree_skb(). Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Reviewed-by: Jason Xing <kerneljasonxing@gmail.com> Acked-by: Martin KaFai Lau <martin.lau@kernel.org> Link: https://patch.msgid.link/20250925160009.2474816-3-maciej.fijalkowski@intel.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 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.