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c52add61c2
Commit0a28bfd497added a metadata_dst to each tx_sc, but that's only allocated when macsec_add_dev has run, which happens after device registration. If the requested or computed SCI already exists, or if linking to the lower device fails, we will panic because metadata_dst_free can't handle NULL. Reproducer: ip link add link $lower type macsec ip link add link $lower type macsec Fixes:0a28bfd497("net/macsec: Add MACsec skb_metadata_dst Tx Data path support") Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Acked-by: Raed Salem <raeds@nvidia.com> Link: https://lore.kernel.org/r/60f2a1965fe553e2cade9472407d0fafff8de8ce.1663923580.git.sd@queasysnail.net 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.