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nvdimm: do not show pfn_seed for non pmem regions 

This simple change hides pfn_seed attribute for non pmem
regions because they don't support pfn anyway.

Signed-off-by: Dmitry V. Krivenok <krivenok.dmitry@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
hifive-unleashed-5.1
Dmitry Krivenok 2015-12-02 09:39:29 +03:00 committed by Dan Williams
parent bd26d0d0ce
commit 6bb691ac08
1 changed files with 3 additions and 0 deletions
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3
drivers/nvdimm/region_devs.c
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@ -406,6 +406,9 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n)
struct nd_interleave_set *nd_set = nd_region->nd_set;
int type = nd_region_to_nstype(nd_region);
if (!is_nd_pmem(dev) && a == &dev_attr_pfn_seed.attr)
return 0;
if (a != &dev_attr_set_cookie.attr
&& a != &dev_attr_available_size.attr)
return a->mode;