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path: root/drivers/nvdimm/bus.c
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Diffstat (limited to 'drivers/nvdimm/bus.c')
-rw-r--r--drivers/nvdimm/bus.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 19f822d7f652..97589e3cb852 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -40,6 +40,8 @@ static int to_nd_device_type(struct device *dev)
return ND_DEVICE_REGION_PMEM;
else if (is_nd_blk(dev))
return ND_DEVICE_REGION_BLK;
+ else if (is_nd_dax(dev))
+ return ND_DEVICE_DAX_PMEM;
else if (is_nd_pmem(dev->parent) || is_nd_blk(dev->parent))
return nd_region_to_nstype(to_nd_region(dev->parent));
@@ -246,6 +248,8 @@ static void nd_async_device_unregister(void *d, async_cookie_t cookie)
void __nd_device_register(struct device *dev)
{
+ if (!dev)
+ return;
dev->bus = &nvdimm_bus_type;
get_device(dev);
async_schedule_domain(nd_async_device_register, dev,