Fix sys_readv not updating file offset

6 years ago · fe88f4f77f
parent e4df6d6788
commit fe88f4f77f
1 changed files with 1 additions and 2 deletions
--- a/kernel/src/syscall/fs.rs
+++ b/kernel/src/syscall/fs.rs
@ -273,8 +273,7 @@ pub fn sys_readv(fd: usize, iov_ptr: *const IoVec, iov_count: usize) -> SysResul
    let mut iovs = IoVecs::check_and_new(iov_ptr, iov_count, &proc.vm, true)?;

    // read all data to a buf
-    let mut file = proc.get_file(fd)?.clone();
-    drop(proc);
+    let mut file = proc.get_file(fd)?;
    let mut buf = iovs.new_buf(true);
    let len = file.read(buf.as_mut_slice())?;
    // copy data to user