Commit 4765218d authored Sep 15, 2016 by Dan Williams

libnvdimm, namespace: debug invalid interleave-set-cookie values

If platform firmware fails to populate unique / non-zero serial number
data for each nvdimm in an interleave-set it may cause pmem region
initialization to fail. Add a debug message for this case.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

parent 73606afd

drivers/nvdimm/namespace_devs.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1584,8 +1584,10 @@ static int find_pmem_label_set(struct nd_region *nd_region,
		int rc = -ENODEV, l;
		u16 i;

		if (cookie == 0)
		if (cookie == 0) {
		dev_dbg(&nd_region->dev, "invalid interleave-set-cookie\n");
		return -ENXIO;
		}

		/*
		* Find a complete set of labels by uuid. By definition we can start