From 6e83595b746e1fd9d5ffb4940d9e2a4280829bc1 Mon Sep 17 00:00:00 2001
From: LI Qing <geding.lq@antfin.com>
Date: Fri, 6 Nov 2020 09:13:02 +0800
Subject: [PATCH] Fix the return value of getcwd syscall

---
 src/libos/src/fs/syscalls.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/libos/src/fs/syscalls.rs b/src/libos/src/fs/syscalls.rs
index 170d3b14..5893a410 100644
--- a/src/libos/src/fs/syscalls.rs
+++ b/src/libos/src/fs/syscalls.rs
@@ -305,8 +305,7 @@ pub fn do_getcwd(buf_ptr: *mut u8, size: usize) -> Result<isize> {
     buf[..cwd.len()].copy_from_slice(cwd.as_bytes());
     buf[cwd.len()] = 0;
 
-    // getcwd requires returning buf_ptr if success
-    Ok(buf_ptr as isize)
+    Ok(buf.len() as isize)
 }
 
 pub fn do_rename(oldpath: *const i8, newpath: *const i8) -> Result<isize> {