diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nvdimm/namespace_devs.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 81451c74b01c..54babc3a80ca 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -2013,10 +2013,11 @@ static int cmp_dpa(const void *a, const void *b) static struct device **scan_labels(struct nd_region *nd_region) { - struct nd_mapping *nd_mapping = &nd_region->mapping[0]; + int i, count = 0; struct device *dev, **devs = NULL; struct nd_label_ent *label_ent, *e; - int i, count = 0; + struct nd_mapping *nd_mapping = &nd_region->mapping[0]; + resource_size_t map_end = nd_mapping->start + nd_mapping->size - 1; /* "safe" because create_namespace_pmem() might list_move() label_ent */ list_for_each_entry_safe(label_ent, e, &nd_mapping->labels, list) { @@ -2033,6 +2034,10 @@ static struct device **scan_labels(struct nd_region *nd_region) else continue; + /* skip labels that describe extents outside of the region */ + if (nd_label->dpa < nd_mapping->start || nd_label->dpa > map_end) + continue; + i = add_namespace_resource(nd_region, nd_label, devs, count); if (i < 0) goto err; |