From d4036d1e9dcd8587a2c9303fc0d5a7e12c4c7de5 Mon Sep 17 00:00:00 2001
From: Marsman1996 <lqliuyuwei@outlook.com>
Date: Wed, 25 Sep 2024 23:33:14 +0800
Subject: [PATCH] Handle error in `FsResolver::create_new_file()`

---
 kernel/src/fs/fs_resolver.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/src/fs/fs_resolver.rs b/kernel/src/fs/fs_resolver.rs
index f03a97b42..e4f98fe01 100644
--- a/kernel/src/fs/fs_resolver.rs
+++ b/kernel/src/fs/fs_resolver.rs
@@ -131,7 +131,9 @@ impl FsResolver {
             return_errno_with_message!(Errno::EISDIR, "path refers to a directory");
         }
 
-        let parent = lookup_ctx.parent().unwrap();
+        let parent = lookup_ctx
+            .parent()
+            .ok_or_else(|| Error::with_message(Errno::ENOENT, "parent not found"))?;
         if !parent.mode()?.is_writable() {
             return_errno_with_message!(Errno::EACCES, "file cannot be created");
         }