It's useful to compare if two tasks are the same task or not. Rust
Binder wants this to check if a certain task is equal to the group
leader of current.

Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
---
 rust/kernel/task.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/rust/kernel/task.rs b/rust/kernel/task.rs
index cc907fb531bc..deb948d99921 100644
--- a/rust/kernel/task.rs
+++ b/rust/kernel/task.rs
@@ -362,6 +362,15 @@ unsafe fn dec_ref(obj: ptr::NonNull<Self>) {
     }
 }
 
+impl PartialEq for Task {
+    #[inline]
+    fn eq(&self, other: &Self) -> bool {
+        ptr::eq(self.as_ptr(), other.as_ptr())
+    }
+}
+
+impl Eq for Task {}
+
 impl Kuid {
     /// Get the current euid.
     #[inline]

-- 
2.53.0.1018.g2bb0e51243-goog