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commit6affca140cupstream. In case the SGL was mapped for P2P DMA operation, we must unmap it using pci_p2pdma_unmap_sg during the error unwind of rdma_rw_ctx_init() Fixes:7f73eac3a7("PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg()") Link: https://lore.kernel.org/r/20200220100819.41860-1-maxg@mellanox.com Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.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.