ipe: move initcalls to the LSM framework

Reviewed-by: Kees Cook <kees@kernel.org>
Tested-by: Fan Wu <wufan@kernel.org>
Acked-by: Fan Wu <wufan@kernel.org>
Reviewed-by: John Johansen <john.johhansen@canonical.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/ipe/fs.c

@@ -193,7 +193,7 @@ static const struct file_operations enforce_fops = {
  * Return: %0 on success. If an error occurs, the function will return
  * the -errno.
  */
-static int __init ipe_init_securityfs(void)
+int __init ipe_init_securityfs(void)
 {
 	int rc = 0;
 	struct ipe_policy *ap;
@@ -244,5 +244,3 @@ err:
 	securityfs_remove(root);
 	return rc;
 }
-
-fs_initcall(ipe_init_securityfs);

security/ipe/ipe.c

@@ -95,4 +95,5 @@ DEFINE_LSM(ipe) = {
 	.id = &ipe_lsmid,
 	.init = ipe_init,
 	.blobs = &ipe_blobs,
+	.initcall_fs = ipe_init_securityfs,
 };

security/ipe/ipe.h

@@ -23,4 +23,6 @@ struct ipe_bdev *ipe_bdev(struct block_device *b);
 struct ipe_inode *ipe_inode(const struct inode *inode);
 #endif /* CONFIG_IPE_PROP_FS_VERITY_BUILTIN_SIG */
 
+int ipe_init_securityfs(void);
+
 #endif /* _IPE_H */