audit: audit_tree_match can be boolean

This patch makes audit_tree_match return bool to improve readability
due to this particular function only using either one or zero as its
return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
[PM: tweaked the subject line]
Signed-off-by: Paul Moore <pmoore@redhat.com>

diff --git a/kernel/audit.h b/kernel/audit.h
index 24ec861456673f299a1e1d8d272ca5b75c338bc9..e47d6ac46b45d3341cef9ea14aa19a054123604f 100644 (file)
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -298,7 +298,7 @@ extern int audit_exe_compare(struct task_struct *tsk, struct audit_fsnotify_mark
 #ifdef CONFIG_AUDIT_TREE
 extern struct audit_chunk *audit_tree_lookup(const struct inode *);
 extern void audit_put_chunk(struct audit_chunk *);
-extern int audit_tree_match(struct audit_chunk *, struct audit_tree *);
+extern bool audit_tree_match(struct audit_chunk *, struct audit_tree *);
 extern int audit_make_tree(struct audit_krule *, char *, u32);
 extern int audit_add_tree_rule(struct audit_krule *);
 extern int audit_remove_tree_rule(struct audit_krule *);

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index f417225068089c23f55a3ca9ab9024e9b3166b8e..9acfd9feea861bff2245965044037e66a0b3ba80 100644 (file)
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -196,13 +196,13 @@ struct audit_chunk *audit_tree_lookup(const struct inode *inode)
        return NULL;
 }
 
-int audit_tree_match(struct audit_chunk *chunk, struct audit_tree *tree)
+bool audit_tree_match(struct audit_chunk *chunk, struct audit_tree *tree)
 {
        int n;
        for (n = 0; n < chunk->count; n++)
                if (chunk->owners[n].owner == tree)
-                       return 1;
-       return 0;
+                       return true;
+       return false;
 }
 
 /* tagging and untagging inodes with trees */