diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index c711be8..5d8f35f 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -533,7 +533,8 @@
 /**
  * debugfs_remove - removes a file or directory from the debugfs filesystem
  * @dentry: a pointer to a the dentry of the file or directory to be
- *          removed.
+ *          removed.  If this parameter is NULL or an error value, nothing
+ *          will be done.
  *
  * This function removes a file or directory in debugfs that was previously
  * created with a call to another debugfs function (like
@@ -565,7 +566,8 @@
 
 /**
  * debugfs_remove_recursive - recursively removes a directory
- * @dentry: a pointer to a the dentry of the directory to be removed.
+ * @dentry: a pointer to a the dentry of the directory to be removed.  If this
+ *          parameter is NULL or an error value, nothing will be done.
  *
  * This function recursively removes a directory tree in debugfs that
  * was previously created with a call to another debugfs function