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authorSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
committerSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
commit6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch)
treeee55c67e4ea30b9eb44f301ba0bde2e631a26162 /drivers/nvdimm/namespace_devs.c
parent52d9d38c183bf0e09601d875ea31bb53c05dd8cf (diff)
parente98c58e55f68f8785aebfab1f8c9a03d8de0afe1 (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/nvdimm/namespace_devs.c')
-rw-r--r--drivers/nvdimm/namespace_devs.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 1b481a5fb966..2f9dfbd2dbec 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -2236,14 +2236,21 @@ static int init_active_labels(struct nd_region *nd_region)
int count, j;
/*
- * If the dimm is disabled then prevent the region from
- * being activated if it aliases DPA.
+ * If the dimm is disabled then we may need to prevent
+ * the region from being activated.
*/
if (!ndd) {
- if ((nvdimm->flags & NDD_ALIASING) == 0)
+ if (test_bit(NDD_LOCKED, &nvdimm->flags))
+ /* fail, label data may be unreadable */;
+ else if (test_bit(NDD_ALIASING, &nvdimm->flags))
+ /* fail, labels needed to disambiguate dpa */;
+ else
return 0;
- dev_dbg(&nd_region->dev, "%s: is disabled, failing probe\n",
- dev_name(&nd_mapping->nvdimm->dev));
+
+ dev_err(&nd_region->dev, "%s: is %s, failing probe\n",
+ dev_name(&nd_mapping->nvdimm->dev),
+ test_bit(NDD_LOCKED, &nvdimm->flags)
+ ? "locked" : "disabled");
return -ENXIO;
}
nd_mapping->ndd = ndd;