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>
diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c
index 333175d..8f24177 100644
--- a/drivers/nvdimm/region.c
+++ b/drivers/nvdimm/region.c
@@ -82,6 +82,8 @@
{
struct nd_region *nd_region = to_nd_region(dev);
+ device_for_each_child(dev, NULL, child_unregister);
+
/* flush attribute readers and disable */
nvdimm_bus_lock(dev);
nd_region->ns_seed = NULL;
@@ -91,7 +93,6 @@
dev_set_drvdata(dev, NULL);
nvdimm_bus_unlock(dev);
- device_for_each_child(dev, NULL, child_unregister);
return 0;
}