nvme: mark nvme_core_init and nvme_core_exit static

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NBart Van Assche <bvanassche@acm.org>
Reviewed-by: NKeith Busch <keith.busch@intel.com>
Reviewed-by: NChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>

drivers/nvme/host/core.c

@@ -3904,7 +3904,7 @@ static inline void _nvme_check_size(void)
 }
 
 
-int __init nvme_core_init(void)
+static int __init nvme_core_init(void)
 {
 	int result = -ENOMEM;
 
@@ -3956,7 +3956,7 @@ int __init nvme_core_init(void)
 	return result;
 }
 
-void __exit nvme_core_exit(void)
+static void __exit nvme_core_exit(void)
 {
 	ida_destroy(&nvme_subsystems_ida);
 	class_destroy(nvme_subsys_class);

drivers/nvme/host/nvme.h

@@ -577,7 +577,4 @@ static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
 	return dev_to_disk(dev)->private_data;
 }
 
-int __init nvme_core_init(void);
-void __exit nvme_core_exit(void);
-
 #endif /* _NVME_H */