libnvdimm, tools/testing/nvdimm: fix 'ars_status' output buffer sizing

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Use the output length specified in the command to size the receive
buffer rather than the arbitrary 4K limit.

This bug was hiding the fact that the ndctl implementation of
ndctl_bus_cmd_new_ars_status() was not specifying an output buffer size.

Cc: <stable@vger.kernel.org>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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This commit is contained in:

Dan Williams 2016-02-19 15:21:14 -08:00

parent 6697b2cf69

commit 747ffe11b4

4 changed files with 17 additions and 13 deletions

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13

drivers/acpi/nfit.c

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8

drivers/nvdimm/bus.c

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1

include/linux/libnvdimm.h

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8

tools/testing/nvdimm/test/nfit.c

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