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be82a92c46
commit1861ba626aupstream. A recently added error path does not mark ring unused when exiting on OOM, which will lead to BUG on the next entry in debug builds. TODO: refactor code so we have START_USE and END_USE in the same function. Fixes:fc6d70f40b("virtio_ring: check desc == NULL when using indirect with packed") Cc: "Xuan Zhuo" <xuanzhuo@linux.alibaba.com> Cc: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.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.