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commit206680c4e4upstream. The bug is here: __func__, desc, &desc->tx_dma_desc.phys, ret, cookie, residue); The list iterator 'desc' will point to a bogus position containing HEAD if the list is empty or no element is found. To avoid dev_dbg() prints a invalid address, use a new variable 'iter' as the list iterator, while use the origin variable 'desc' as a dedicated pointer to point to the found element. Cc: stable@vger.kernel.org Fixes:82e2424635("dmaengine: xdmac: fix print warning on dma_addr_t variable") Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com> Link: https://lore.kernel.org/r/20220327061154.4867-1-xiam0nd.tong@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.