test: clean up unused variable

Signed-off-by: liuchang0812 <liuchang0812@gmail.com>

diff --git a/src/test/osdc/object_cacher_stress.cc b/src/test/osdc/object_cacher_stress.cc
index a002ee5c8dc89b1b4ee51063374660e8092b1741..566c218bc3d3b0e28884ae7f4036ff58791161ad 100644 (file)
--- a/src/test/osdc/object_cacher_stress.cc
+++ b/src/test/osdc/object_cacher_stress.cc
@@ -300,7 +300,7 @@ int correctness_test(uint64_t delay_ns)
   std::cout << "wrote dirtying data" << std::endl;
 
   std::cout << "Waiting to read data into cache" << std::endl;
-  r = frontreadcond.wait();
+  frontreadcond.wait();
   verify_finisher.wait();
 
   std::cout << "Validating data" << std::endl;