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-rw-r--r--tools/perf/bench/sched-pipe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index d9ab3ce446a..0c7454f8b8a 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -55,7 +55,7 @@ int bench_sched_pipe(int argc, const char **argv,
* discarding returned value of read(), write()
* causes error in building environment for perf
*/
- int ret, wait_stat;
+ int __used ret, wait_stat;
pid_t pid, retpid;
argc = parse_options(argc, argv, options,