Merge "SharedRefBase: detect double-ownership"
diff --git a/libs/binder/rust/src/parcel/file_descriptor.rs b/libs/binder/rust/src/parcel/file_descriptor.rs
index 20e9178..179b7c8 100644
--- a/libs/binder/rust/src/parcel/file_descriptor.rs
+++ b/libs/binder/rust/src/parcel/file_descriptor.rs
@@ -23,7 +23,7 @@
 use crate::sys;
 
 use std::fs::File;
-use std::os::unix::io::{AsRawFd, FromRawFd};
+use std::os::unix::io::{AsRawFd, FromRawFd, RawFd};
 
 /// Rust version of the Java class android.os.ParcelFileDescriptor
 #[derive(Debug)]
@@ -48,6 +48,12 @@
     }
 }
 
+impl AsRawFd for ParcelFileDescriptor {
+    fn as_raw_fd(&self) -> RawFd {
+        self.0.as_raw_fd()
+    }
+}
+
 impl Serialize for ParcelFileDescriptor {
     fn serialize(&self, parcel: &mut Parcel) -> Result<()> {
         let fd = self.0.as_raw_fd();