From 8dc15f727c0de5593a66de70e32d5289444e76ef Mon Sep 17 00:00:00 2001
From: "Jeff Washington (jwash)"
 <75863576+jeffwashington@users.noreply.github.com>
Date: Wed, 28 Apr 2021 15:47:59 -0500
Subject: [PATCH] account.lamports -= (#16913)

---
 programs/vote/src/vote_state/mod.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/programs/vote/src/vote_state/mod.rs b/programs/vote/src/vote_state/mod.rs
index 210ac3dbc1..d9e00af886 100644
--- a/programs/vote/src/vote_state/mod.rs
+++ b/programs/vote/src/vote_state/mod.rs
@@ -685,7 +685,9 @@ pub fn withdraw<S: std::hash::BuildHasher>(
         }
         _ => (),
     }
-    vote_account.try_account_ref_mut()?.lamports -= lamports;
+    vote_account
+        .try_account_ref_mut()?
+        .checked_sub_lamports(lamports)?;
     to_account
         .try_account_ref_mut()?
         .checked_add_lamports(lamports)?;