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20fa3a7442
commitfa0732168fupstream. Properly unwind step by step using refactored helpers from nvme_unmap_data to avoid a potential double dma_unmap on a mapping failure. Fixes:7fe07d14f7("nvme-pci: merge nvme_free_iod into nvme_unmap_data") Reported-by: Marc Orr <marcorr@google.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Marc Orr <marcorr@google.com> 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.