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[ Upstream commit4e24e37d53] drivers/nvdimm/btt.c: In function 'btt_read_pg': drivers/nvdimm/btt.c:1264:8: warning: variable 'rc' set but not used [-Wunused-but-set-variable] int rc; ^~ Add a ratelimited message in case a storm of errors is encountered. Fixes:d9b83c7569("libnvdimm, btt: rework error clearing") Signed-off-by: Qian Cai <cai@lca.pw> Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Link: https://lore.kernel.org/r/1572530719-32161-1-git-send-email-cai@lca.pw 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.