batch fixes

1 files changed, 4 insertions, 1 deletions

diff --git a/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m b/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m
index 69f70de17d..3ccc70a744 100644
--- a/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m
+++ b/src/objective-c/GRPCClient/private/GRPCSecureChannelFactory.m
@@ -22,7 +22,6 @@
 
 #import "ChannelArgsUtil.h"
 #import "GRPCChannel.h"
-#import "utilities.h"
 
 @implementation GRPCSecureChannelFactory {
   grpc_channel_credentials *_channelCreds;
@@ -116,6 +115,10 @@
 }
 
 - (grpc_channel *)createChannelWithHost:(NSString *)host channelArgs:(NSDictionary *)args {
+  NSAssert(host.length != 0, @"host cannot be empty");
+  if (host.length == 0) {
+    return NULL;
+  }
   grpc_channel_args *coreChannelArgs = GRPCBuildChannelArgs([args copy]);
   grpc_channel *unmanagedChannel =
       grpc_secure_channel_create(_channelCreds, host.UTF8String, coreChannelArgs, NULL);