diff --git a/drivers/dax/hmem/device.c b/drivers/dax/hmem/device.c
index acf31cc1dbcca8c0eec3cd8596ba7481e7398da8..97086fab698e3db9d72a255725e0006a0df244ef 100644
--- a/drivers/dax/hmem/device.c
+++ b/drivers/dax/hmem/device.c
@@ -48,7 +48,7 @@ void hmem_register_device(int target_nid, struct resource *r)
rc = platform_device_add_data(pdev, &info, sizeof(info));
if (rc < 0) {
pr_err("hmem memregion_info allocation failure for %pr\n", &res);
- goto out_pdev;
+ goto out_resource;
}
rc = platform_device_add_resources(pdev, &res, 1);
@@ -66,7 +66,7 @@ void hmem_register_device(int target_nid, struct resource *r)
return;
out_resource:
- put_device(&pdev->dev);
+ platform_device_put(pdev);
out_pdev:
memregion_free(id);
}
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 9b5e2a5eb0ae68ae2c1e22431fc020ad41f72e1e..da4438f3188c8d93a5eac42c4999e4a4aa20a7ca 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -363,7 +363,7 @@ static void dax_free_inode(struct inode *inode)
{
struct dax_device *dax_dev = to_dax_dev(inode);
if (inode->i_rdev)
- ida_simple_remove(&dax_minor_ida, iminor(inode));
+ ida_free(&dax_minor_ida, iminor(inode));
kmem_cache_free(dax_cache, dax_dev);
}
@@ -445,7 +445,7 @@ struct dax_device *alloc_dax(void *private, const struct dax_operations *ops)
if (WARN_ON_ONCE(ops && !ops->zero_page_range))
return ERR_PTR(-EINVAL);
- minor = ida_simple_get(&dax_minor_ida, 0, MINORMASK+1, GFP_KERNEL);
+ minor = ida_alloc_max(&dax_minor_ida, MINORMASK, GFP_KERNEL);
if (minor < 0)
return ERR_PTR(-ENOMEM);
@@ -459,7 +459,7 @@ struct dax_device *alloc_dax(void *private, const struct dax_operations *ops)
return dax_dev;
err_dev:
- ida_simple_remove(&dax_minor_ida, minor);
+ ida_free(&dax_minor_ida, minor);
return ERR_PTR(-ENOMEM);
}
EXPORT_SYMBOL_GPL(alloc_dax);
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index bbe5099c836d72a510247bf1263df160384ee41f..c60ec0b373c51595ac2cc940834a2a6ef82d746e 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -170,15 +170,12 @@ EXPORT_SYMBOL(nvdimm_namespace_disk_name);
const uuid_t *nd_dev_to_uuid(struct device *dev)
{
- if (!dev)
- return &uuid_null;
-
- if (is_namespace_pmem(dev)) {
+ if (dev && is_namespace_pmem(dev)) {
struct nd_namespace_pmem *nspm = to_nd_namespace_pmem(dev);
return nspm->uuid;
- } else
- return &uuid_null;
+ }
+ return &uuid_null;
}
EXPORT_SYMBOL(nd_dev_to_uuid);
@@ -388,7 +385,7 @@ static resource_size_t init_dpa_allocation(struct nd_label_id *label_id,
*
* BLK-space is valid as long as it does not precede a PMEM
* allocation in a given region. PMEM-space must be contiguous
- * and adjacent to an existing existing allocation (if one
+ * and adjacent to an existing allocation (if one
* exists). If reserving PMEM any space is valid.
*/
static void space_valid(struct nd_region *nd_region, struct nvdimm_drvdata *ndd,
@@ -839,7 +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);
@@ -853,16 +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);
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index 473a71bbd9c9e68176adaaa8364a0213ab90c8b9..e0875d3697624cf8ae0199cc9084f517210cd675 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -509,16 +509,13 @@ static ssize_t align_store(struct device *dev,
{
struct nd_region *nd_region = to_nd_region(dev);
unsigned long val, dpa;
- u32 remainder;
+ u32 mappings, remainder;
int rc;
rc = kstrtoul(buf, 0, &val);
if (rc)
return rc;
- if (!nd_region->ndr_mappings)
- return -ENXIO;
-
/*
* Ensure space-align is evenly divisible by the region
* interleave-width because the kernel typically has no facility
@@ -526,7 +523,8 @@ static ssize_t align_store(struct device *dev,
* contribute to the tail capacity in system-physical-address
* space for the namespace.
*/
- dpa = div_u64_rem(val, nd_region->ndr_mappings, &remainder);
+ mappings = max_t(u32, 1, nd_region->ndr_mappings);
+ dpa = div_u64_rem(val, mappings, &remainder);
if (!is_power_of_2(dpa) || dpa < PAGE_SIZE
|| val > region_size(nd_region) || remainder)
return -EINVAL;
@@ -1096,7 +1094,7 @@ int nvdimm_flush(struct nd_region *nd_region, struct bio *bio)
return rc;
}
/**
- * nvdimm_flush - flush any posted write queues between the cpu and pmem media
+ * generic_nvdimm_flush() - flush any posted write queues between the cpu and pmem media
* @nd_region: interleaved pmem region
*/
int generic_nvdimm_flush(struct nd_region *nd_region)
diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c
index b5aa55c61461621138fd110873ce94cb889f70ee..8aefb60c42fff328468d9dc49fc3d170c5dc8b0d 100644
--- a/drivers/nvdimm/security.c
+++ b/drivers/nvdimm/security.c
@@ -408,7 +408,7 @@ static int security_overwrite(struct nvdimm *nvdimm, unsigned int keyid)
return rc;
}
-void __nvdimm_security_overwrite_query(struct nvdimm *nvdimm)
+static void __nvdimm_security_overwrite_query(struct nvdimm *nvdimm)
{
struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(&nvdimm->dev);
int rc;