From 800af8e08bb7b4a3417c658b924f2b7d95b1d7cc Mon Sep 17 00:00:00 2001
From: Niels Andriesse <andriesseniels@gmail.com>
Date: Mon, 23 Sep 2019 14:32:01 +1000
Subject: [PATCH] Add missing check

---
 SignalServiceKit/src/Messages/OWSMessageManager.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SignalServiceKit/src/Messages/OWSMessageManager.m b/SignalServiceKit/src/Messages/OWSMessageManager.m
index 277e1ab5f..7c37f4948 100644
--- a/SignalServiceKit/src/Messages/OWSMessageManager.m
+++ b/SignalServiceKit/src/Messages/OWSMessageManager.m
@@ -428,7 +428,7 @@ NS_ASSUME_NONNULL_BEGIN
         OWSLogInfo(@"handling content: <Content: %@>", [self descriptionForContent:contentProto]);
         
         // Loki: Handle device linking message
-        if (contentProto.lokiDeviceLinkingMessage != nil) {
+        if (contentProto.lokiDeviceLinkingMessage != nil && contentProto.lokiDeviceLinkingMessage.type == SSKProtoLokiDeviceLinkingMessageTypeRequest) {
             OWSLogInfo(@"[Loki] Received a device linking request from: %@", envelope.source);
             NSData *signature = contentProto.lokiDeviceLinkingMessage.slaveSignature;
             if (signature == nil) {