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[ Upstream commita26116c1e7] The virtblk_map_data() function returns negative error codes, however, the 'nents' field of vbr->sg_table is an unsigned int, which causes the error handling not to work correctly. Cc: stable@vger.kernel.org Fixes:0e9911fa76("virtio-blk: support mq_ops->queue_rqs()") Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com> Message-Id: <20221021204126.927603-1-rafaelmendsr@gmail.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Suwan Kim <suwan.kim027@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> 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.