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libnvdimm: keep region data alive over namespace removal 

nd_region device driver data will be used in the namespace i/o path.
Re-order nd_region_remove() to ensure this data stays live across
namespace device removal

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2016-07-09 16:46:29 -07:00
parent 85d3fa02e4
commit a8f720224e
1 changed files with 2 additions and 1 deletions
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3
drivers/nvdimm/region.c
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@ -82,6 +82,8 @@ static int nd_region_remove(struct device *dev)
{ {
struct nd_region *nd_region = to_nd_region(dev); struct nd_region *nd_region = to_nd_region(dev);
device_for_each_child(dev, NULL, child_unregister);
/* flush attribute readers and disable */ /* flush attribute readers and disable */
nvdimm_bus_lock(dev); nvdimm_bus_lock(dev);
nd_region->ns_seed = NULL; nd_region->ns_seed = NULL;
@ -91,7 +93,6 @@ static int nd_region_remove(struct device *dev)
dev_set_drvdata(dev, NULL); dev_set_drvdata(dev, NULL);
nvdimm_bus_unlock(dev); nvdimm_bus_unlock(dev);
device_for_each_child(dev, NULL, child_unregister);
return 0; return 0;
} }