From c308e25115c61eca00ef8d0d789f5bd53ff1b8f3 Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Wed, 10 Jan 2018 13:00:11 -0500
Subject: [PATCH] Skip redundant sync messages.

---
 SignalServiceKit/src/Devices/OWSDevice.m | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/SignalServiceKit/src/Devices/OWSDevice.m b/SignalServiceKit/src/Devices/OWSDevice.m
index 1295fc03b..4c1df0063 100644
--- a/SignalServiceKit/src/Devices/OWSDevice.m
+++ b/SignalServiceKit/src/Devices/OWSDevice.m
@@ -46,12 +46,9 @@ NSString *const kTSStorageManager_MayHaveLinkedDevices = @"kTSStorageManager_May
 {
     OWSAssert(dbConnection);
 
-    @synchronized(self)
-    {
-        return [dbConnection boolForKey:kTSStorageManager_MayHaveLinkedDevices
-                           inCollection:kTSStorageManager_OWSDeviceCollection
-                           defaultValue:NO];
-    }
+    return [dbConnection boolForKey:kTSStorageManager_MayHaveLinkedDevices
+                       inCollection:kTSStorageManager_OWSDeviceCollection
+                       defaultValue:NO];
 }
 
 - (void)setMayHaveLinkedDevices:(BOOL)value dbConnection:(YapDatabaseConnection *)dbConnection
@@ -67,12 +64,9 @@ NSString *const kTSStorageManager_MayHaveLinkedDevices = @"kTSStorageManager_May
 {
     OWSAssert(transaction);
 
-    @synchronized(self)
-    {
-        [transaction setObject:@(value)
-                        forKey:kTSStorageManager_MayHaveLinkedDevices
-                  inCollection:kTSStorageManager_OWSDeviceCollection];
-    }
+    [transaction setObject:@(value)
+                    forKey:kTSStorageManager_MayHaveLinkedDevices
+              inCollection:kTSStorageManager_OWSDeviceCollection];
 }
 
 - (BOOL)hasReceivedSyncMessageInLastSeconds:(NSTimeInterval)intervalSeconds