[AFS]: Fix use of __exit functions from __init path

Fix use of __exit functions from __init path.
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

fs/afs/callback.c

@@ -468,7 +468,7 @@ int __init afs_callback_update_init(void)
 /*
  * shut down the callback update process
  */
-void __exit afs_callback_update_kill(void)
+void afs_callback_update_kill(void)
 {
 	destroy_workqueue(afs_callback_update_worker);
 }

fs/afs/internal.h

@@ -392,7 +392,7 @@ extern void afs_give_up_callback(struct afs_vnode *);
 extern void afs_dispatch_give_up_callbacks(struct work_struct *);
 extern void afs_flush_callback_breaks(struct afs_server *);
 extern int __init afs_callback_update_init(void);
-extern void __exit afs_callback_update_kill(void);
+extern void afs_callback_update_kill(void);
 
 /*
  * cell.c
@@ -591,7 +591,7 @@ extern struct afs_vlocation *afs_vlocation_lookup(struct afs_cell *,
 						  struct key *,
 						  const char *, size_t);
 extern void afs_put_vlocation(struct afs_vlocation *);
-extern void __exit afs_vlocation_purge(void);
+extern void afs_vlocation_purge(void);
 
 /*
  * vnode.c

fs/afs/vlocation.c

@@ -602,7 +602,7 @@ int __init afs_vlocation_update_init(void)
 /*
  * discard all the volume location records for rmmod
  */
-void __exit afs_vlocation_purge(void)
+void afs_vlocation_purge(void)
 {
 	afs_vlocation_timeout = 0;