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>
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 6b0449b..4f0a213 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -1584,8 +1584,10 @@
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