1 files changed, 9 insertions, 39 deletions

diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c
index d91799b71d23..5ba204113fe1 100644
--- a/drivers/nvdimm/core.c
+++ b/drivers/nvdimm/core.c
@@ -7,7 +7,6 @@
 #include <linux/export.h>
 #include <linux/module.h>
 #include <linux/blkdev.h>
-#include <linux/blk-integrity.h>
 #include <linux/device.h>
 #include <linux/ctype.h>
 #include <linux/ndctl.h>
@@ -142,9 +141,8 @@ static void nvdimm_map_put(void *data)
 	struct nvdimm_map *nvdimm_map = data;
 	struct nvdimm_bus *nvdimm_bus = nvdimm_map->nvdimm_bus;
 
-	nvdimm_bus_lock(&nvdimm_bus->dev);
+	guard(nvdimm_bus)(&nvdimm_bus->dev);
 	kref_put(&nvdimm_map->kref, nvdimm_map_release);
-	nvdimm_bus_unlock(&nvdimm_bus->dev);
 }
 
 /**
@@ -159,13 +157,13 @@ void *devm_nvdimm_memremap(struct device *dev, resource_size_t offset,
 {
 	struct nvdimm_map *nvdimm_map;
 
-	nvdimm_bus_lock(dev);
-	nvdimm_map = find_nvdimm_map(dev, offset);
-	if (!nvdimm_map)
-		nvdimm_map = alloc_nvdimm_map(dev, offset, size, flags);
-	else
-		kref_get(&nvdimm_map->kref);
-	nvdimm_bus_unlock(dev);
+	scoped_guard(nvdimm_bus, dev) {
+		nvdimm_map = find_nvdimm_map(dev, offset);
+		if (!nvdimm_map)
+			nvdimm_map = alloc_nvdimm_map(dev, offset, size, flags);
+		else
+			kref_get(&nvdimm_map->kref);
+	}
 
 	if (!nvdimm_map)
 		return NULL;
@@ -508,35 +506,6 @@ int nvdimm_bus_add_badrange(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length)
 }
 EXPORT_SYMBOL_GPL(nvdimm_bus_add_badrange);
 
-#ifdef CONFIG_BLK_DEV_INTEGRITY
-int nd_integrity_init(struct gendisk *disk, unsigned long meta_size)
-{
-	struct blk_integrity bi;
-
-	if (meta_size == 0)
-		return 0;
-
-	memset(&bi, 0, sizeof(bi));
-
-	bi.tuple_size = meta_size;
-	bi.tag_size = meta_size;
-
-	blk_integrity_register(disk, &bi);
-	blk_queue_max_integrity_segments(disk->queue, 1);
-
-	return 0;
-}
-EXPORT_SYMBOL(nd_integrity_init);
-
-#else /* CONFIG_BLK_DEV_INTEGRITY */
-int nd_integrity_init(struct gendisk *disk, unsigned long meta_size)
-{
-	return 0;
-}
-EXPORT_SYMBOL(nd_integrity_init);
-
-#endif
-
 static __init int libnvdimm_init(void)
 {
 	int rc;
@@ -570,6 +539,7 @@ static __exit void libnvdimm_exit(void)
 	nvdimm_devs_exit();
 }
 
+MODULE_DESCRIPTION("NVDIMM (Non-Volatile Memory Device) core");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Intel Corporation");
 subsys_initcall(libnvdimm_init);