libnvdimm, namespace: make 'resource' attribute only readable by root

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For the same reason that /proc/iomem returns 0's for non-root readers
and acpi tables are root-only, make the 'resource' attribute for
namespace devices only readable by root. Otherwise we disclose physical
address information.

Fixes: bf9bccc14c ("libnvdimm: pmem label sets and namespace instantiation")
Cc: <stable@vger.kernel.org>
Reported-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dan Williams 2017-09-26 11:21:24 -07:00

parent b8ff981f88

commit c1fb354207

1 changed files with 1 additions and 1 deletions

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drivers/nvdimm/namespace_devs.c

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