selinux: Minor cleanups

Fix the comment for function __inode_security_revalidate, which returns
an integer.

Use the LABEL_* constants consistently for isec->initialized.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/hooks.c

@@ -237,6 +237,7 @@ static int inode_alloc_security(struct inode *inode)
 	isec->sid = SECINITSID_UNLABELED;
 	isec->sclass = SECCLASS_FILE;
 	isec->task_sid = sid;
+	isec->initialized = LABEL_INVALID;
 	inode->i_security = isec;
 
 	return 0;
@@ -247,7 +248,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
 /*
  * Try reloading inode security labels that have been marked as invalid.  The
  * @may_sleep parameter indicates when sleeping and thus reloading labels is
- * allowed; when set to false, returns ERR_PTR(-ECHILD) when the label is
+ * allowed; when set to false, returns -ECHILD when the label is
  * invalid.  The @opt_dentry parameter should be set to a dentry of the inode;
  * when no dentry is available, set it to NULL instead.
  */

security/selinux/selinuxfs.c

@@ -1301,7 +1301,7 @@ static int sel_make_bools(void)
 			goto out;
 
 		isec->sid = sid;
-		isec->initialized = 1;
+		isec->initialized = LABEL_INITIALIZED;
 		inode->i_fop = &sel_bool_ops;
 		inode->i_ino = i|SEL_BOOL_INO_OFFSET;
 		d_add(dentry, inode);
@@ -1834,7 +1834,7 @@ static int sel_fill_super(struct super_block *sb, void *data, int silent)
 	isec = (struct inode_security_struct *)inode->i_security;
 	isec->sid = SECINITSID_DEVNULL;
 	isec->sclass = SECCLASS_CHR_FILE;
-	isec->initialized = 1;
+	isec->initialized = LABEL_INITIALIZED;
 
 	init_special_inode(inode, S_IFCHR | S_IRUGO | S_IWUGO, MKDEV(MEM_MAJOR, 3));
 	d_add(dentry, inode);