From a032b3b914f7950b433f1b0541fb02554985b2e0 Mon Sep 17 00:00:00 2001
From: Anthony Romano <anthony.romano@coreos.com>
Date: Wed, 31 May 2017 12:39:52 -0700
Subject: [PATCH] v3rpc: treat nil txn request op as error

Fixes #7889
---
 etcdserver/api/v3rpc/key.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/etcdserver/api/v3rpc/key.go b/etcdserver/api/v3rpc/key.go
index 8acae5983c0..d0220e03a26 100644
--- a/etcdserver/api/v3rpc/key.go
+++ b/etcdserver/api/v3rpc/key.go
@@ -252,8 +252,8 @@ func checkRequestOp(u *pb.RequestOp) error {
 			return checkDeleteRequest(uv.RequestDeleteRange)
 		}
 	default:
-		// empty op
-		return nil
+		// empty op / nil entry
+		return rpctypes.ErrGRPCKeyNotFound
 	}
 	return nil
 }