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[ Upstream commite12be9139c] If xdp_do_redirect() fails, the calling driver should handle recycling or freeing of the page associated with the frame. The dpaa2-eth driver didn't do either of them and just incremented a counter. Fix this by trying to DMA map back the page and recycle it or, if the mapping fails, just free it. Fixes:d678be1dc1("dpaa2-eth: add XDP_REDIRECT support") Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@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.