From ab69c2adbd693b7e6da5bde4227ccfd700cace3c Mon Sep 17 00:00:00 2001
From: Jonathan Boulle <jonathanboulle@gmail.com>
Date: Mon, 3 Nov 2014 16:12:24 -0800
Subject: [PATCH] etcdhttp: use EcodePrevValueRequired when appropriate

---
 etcdserver/etcdhttp/client.go      | 2 +-
 etcdserver/etcdhttp/client_test.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/etcdserver/etcdhttp/client.go b/etcdserver/etcdhttp/client.go
index 8c324cf81..2e79fd934 100644
--- a/etcdserver/etcdhttp/client.go
+++ b/etcdserver/etcdhttp/client.go
@@ -342,7 +342,7 @@ func parseKeyRequest(r *http.Request, id uint64, clock clockwork.Clock) (etcdser
 	pV := r.FormValue("prevValue")
 	if _, ok := r.Form["prevValue"]; ok && pV == "" {
 		return emptyReq, etcdErr.NewRequestError(
-			etcdErr.EcodeInvalidField,
+			etcdErr.EcodePrevValueRequired,
 			`"prevValue" cannot be empty`,
 		)
 	}
diff --git a/etcdserver/etcdhttp/client_test.go b/etcdserver/etcdhttp/client_test.go
index ab9af2e5e..832fe8a10 100644
--- a/etcdserver/etcdhttp/client_test.go
+++ b/etcdserver/etcdhttp/client_test.go
@@ -257,7 +257,7 @@ func TestBadParseRequest(t *testing.T) {
 		// prevValue cannot be empty
 		{
 			mustNewForm(t, "foo", url.Values{"prevValue": []string{""}}),
-			etcdErr.EcodeInvalidField,
+			etcdErr.EcodePrevValueRequired,
 		},
 		// wait is only valid with GET requests
 		{