Tweak code

rust-random · Jun 21, 2024 · 3cce0b5 · 3cce0b5
1 parent 7effb33
commit 3cce0b5
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/linux_android_with_fallback.rs b/src/linux_android_with_fallback.rs
@@ -46,10 +46,10 @@ const FD_ONGOING_INIT: libc::c_int = -2;
 static FD: AtomicI32 = AtomicI32::new(FD_UNINIT);
 
 pub fn use_file(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
-    let mut fd = FD.load(Ordering::Acquire);
-    if fd.is_negative() {
-        fd = open_or_wait()?;
-    }
+    let fd = match FD.load(Ordering::Acquire) {
+        FD_UNINIT | FD_ONGOING_INIT => open_or_wait()?,
+        fd => fd,
+    };
     sys_fill_exact(dest, |buf| unsafe {
         libc::read(fd, buf.as_mut_ptr().cast::<c_void>(), buf.len())
     })