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[ Upstream commit7323fb22f0] The return value of range_parse() indicates the size when it is positive. The error code should be negative. Signed-off-by: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com> Reviewed-by: Joao Martins <joao.m.martins@oracle.com> Link: https://lore.kernel.org/r/20210126021331.1059933-1-ruansy.fnst@cn.fujitsu.com Reported-by: Zhang Qilong <zhangqilong3@huawei.com> Fixes:8490e2e25b("device-dax: add a range mapping allocation attribute") Signed-off-by: Dan Williams <dan.j.williams@intel.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.