Re-enabling errors on warning, disabling unused parameter warning, and fixing all subsequent errors.

2 files changed, 2 insertions, 2 deletions

diff --git a/test/core/echo/client.c b/test/core/echo/client.c
index 2f35b03228..bb478c4b4b 100644
--- a/test/core/echo/client.c
+++ b/test/core/echo/client.c
@@ -66,7 +66,7 @@ int main(int argc, char **argv) {
   grpc_completion_queue *cq = NULL;
   int bytes_written = 0;
   int bytes_read = 0;
-  int i = 0;
+  unsigned i = 0;
   int waiting_finishes;
   gpr_slice read_slice;
 
diff --git a/test/core/echo/server.c b/test/core/echo/server.c
index 6b67334248..2764a9ef0e 100644
--- a/test/core/echo/server.c
+++ b/test/core/echo/server.c
@@ -70,7 +70,7 @@ static void request_call(void) {
 static void assert_read_ok(call_state *s, grpc_byte_buffer *b) {
   grpc_byte_buffer_reader *bb_reader = NULL;
   gpr_slice read_slice;
-  int i;
+  unsigned i;
 
   bb_reader = grpc_byte_buffer_reader_create(b);
   while (grpc_byte_buffer_reader_next(bb_reader, &read_slice)) {