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 <[email protected]> [PM: tweaked the subject line] Signed-off-by: Paul Moore <[email protected]>
broonie · Nov 4, 2015 · 6f1b5d7 · 6f1b5d7
1 parent 9fcf836
commit 6f1b5d7
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diff --git a/kernel/audit.h b/kernel/audit.h
@@ -301,7 +301,7 @@ 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
@@ -197,13 +197,13 @@ 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 */