From b2585eb3bdd2c92d3b76113e8cd92519022c7614 Mon Sep 17 00:00:00 2001
From: Jiajie Chen <noc@jiegec.ac.cn>
Date: Sat, 23 Mar 2019 00:22:33 +0800
Subject: [PATCH] Fix last commit

---
 kernel/src/syscall/fs.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/src/syscall/fs.rs b/kernel/src/syscall/fs.rs
index c68ec8d..9341205 100644
--- a/kernel/src/syscall/fs.rs
+++ b/kernel/src/syscall/fs.rs
@@ -622,7 +622,7 @@ pub fn sys_sendfile(out_fd: usize, in_fd: usize, offset: *mut usize, count: usiz
         return Ok(bytes_read);
     } else {
         let mut proc_mem = unsafe {&mut *proc_cell.get()};
-        proc_mem.vm.check_mut_ptr(offset)?;
+        proc_mem.vm.check_read_ptr(offset)?;
         let mut read_offset = unsafe {
             *offset
         };