From 3c8e9886aca311ee2b26e7f7ef827ac7efb42716 Mon Sep 17 00:00:00 2001
From: Muxi Yan <mxyan@google.com>
Date: Tue, 23 Oct 2018 10:53:11 -0700
Subject: [PATCH] Mark channelArg as copy

---
 src/objective-c/GRPCClient/private/GRPCChannel.m     | 2 +-
 src/objective-c/GRPCClient/private/GRPCChannelPool.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.m b/src/objective-c/GRPCClient/private/GRPCChannel.m
index 60c2e29a6ec..777cbab8092 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.m
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.m
@@ -265,7 +265,7 @@ static GRPCChannelPool *gChannelPool;
     [args addEntriesFromDictionary:config.callOptions.additionalChannelArgs];
     channelArgs = args;
   } else {
-    channelArgs = [config.channelArgs copy];
+    channelArgs = config.channelArgs;
   }
   id<GRPCChannelFactory> factory = config.channelFactory;
   grpc_channel *unmanaged_channel = [factory createChannelWithHost:host channelArgs:channelArgs];
diff --git a/src/objective-c/GRPCClient/private/GRPCChannelPool.h b/src/objective-c/GRPCClient/private/GRPCChannelPool.h
index 43e07b98454..2244361df2c 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannelPool.h
+++ b/src/objective-c/GRPCClient/private/GRPCChannelPool.h
@@ -45,7 +45,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property(readonly) id<GRPCChannelFactory> channelFactory;
 
 /** Acquire the dictionary of channel args with current configurations. */
-@property(readonly) NSDictionary *channelArgs;
+@property(copy, readonly) NSDictionary *channelArgs;
 
 - (nullable instancetype)initWithHost:(NSString *)host callOptions:(GRPCCallOptions *)callOptions;