From b88e384f9535f84ca782fe0eace1359542c4cca3 Mon Sep 17 00:00:00 2001
From: Jiahao XU <Jiahao_XU@outlook.com>
Date: Sun, 12 Jun 2022 19:17:06 +1000
Subject: [PATCH] Fix `Vfs::add_path`: Add insert `filename` instead of `path`

into the `HashSet<Box<Path>>`

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
---
 src/drivers/vfs.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/drivers/vfs.rs b/src/drivers/vfs.rs
index 08178b06..d43b3a8a 100644
--- a/src/drivers/vfs.rs
+++ b/src/drivers/vfs.rs
@@ -17,11 +17,14 @@ impl Vfs {
     /// * `path` - must be canonical, must not be empty.
     pub(super) fn add_path(&mut self, mut path: &Path) {
         while let Some(parent) = path.parent() {
-            if let Some(path_str) = path.to_str() {
+            // Since path has parent, it must have a filename
+            let filename = path.file_name().unwrap();
+
+            if let Some(filename) = filename.to_str() {
                 self.0
                     .entry(parent.into())
                     .or_insert_with(|| HashSet::with_capacity(4))
-                    .insert(path_str.into());
+                    .insert(filename.into());
             }
 
             path = parent;