diff options
| -rw-r--r-- | drivers/nvdimm/namespace_devs.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 3dae17c90e8c..0f863fda56e6 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -836,7 +836,6 @@ static ssize_t size_store(struct device *dev, { struct nd_region *nd_region = to_nd_region(dev->parent); unsigned long long val; - uuid_t **uuid = NULL; int rc; rc = kstrtoull(buf, 0, &val); @@ -850,16 +849,12 @@ static ssize_t size_store(struct device *dev, if (rc >= 0) rc = nd_namespace_label_update(nd_region, dev); - if (is_namespace_pmem(dev)) { + /* setting size zero == 'delete namespace' */ + if (rc == 0 && val == 0 && is_namespace_pmem(dev)) { struct nd_namespace_pmem *nspm = to_nd_namespace_pmem(dev); - uuid = &nspm->uuid; - } - - if (rc == 0 && val == 0 && uuid) { - /* setting size zero == 'delete namespace' */ - kfree(*uuid); - *uuid = NULL; + kfree(nspm->uuid); + nspm->uuid = NULL; } dev_dbg(dev, "%llx %s (%d)\n", val, rc < 0 ? "fail" : "success", rc); |