diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 1415d543c3e3359412ff19fdc17688b680be069f..b57a2d36c517a2cba62b8d0ba3d2e311d4ab1d59 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -1848,12 +1848,11 @@ static bool has_uuid_at_pos(struct nd_region *nd_region, const uuid_t *uuid, list_for_each_entry(label_ent, &nd_mapping->labels, list) { struct nd_namespace_label *nd_label = label_ent->label; - u16 position, nlabel; + u16 position; if (!nd_label) continue; position = nsl_get_position(ndd, nd_label); - nlabel = nsl_get_nlabel(ndd, nd_label); if (!nsl_validate_isetcookie(ndd, nd_label, cookie)) continue; @@ -1870,7 +1869,7 @@ static bool has_uuid_at_pos(struct nd_region *nd_region, const uuid_t *uuid, return false; } found_uuid = true; - if (nlabel != nd_region->ndr_mappings) + if (!nsl_validate_nlabel(nd_region, ndd, nd_label)) continue; if (position != pos) continue; diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index ec3c9aad7f50a611d0b8ed384d3a8eb9d46f4de6..036638bdb7e3fd972a95d2a8aa5edb3cd5bc6cd3 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -342,6 +342,13 @@ struct nd_region { struct nd_mapping mapping[]; }; +static inline bool nsl_validate_nlabel(struct nd_region *nd_region, + struct nvdimm_drvdata *ndd, + struct nd_namespace_label *nd_label) +{ + return nsl_get_nlabel(ndd, nd_label) == nd_region->ndr_mappings; +} + struct nd_blk_region { int (*enable)(struct nvdimm_bus *nvdimm_bus, struct device *dev); int (*do_io)(struct nd_blk_region *ndbr, resource_size_t dpa,