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-rw-r--r--tools/lib/perf/tests/test-evlist.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/lib/perf/tests/test-evlist.c b/tools/lib/perf/tests/test-evlist.c
index 6d8ebe0c2504..1b225fe34a72 100644
--- a/tools/lib/perf/tests/test-evlist.c
+++ b/tools/lib/perf/tests/test-evlist.c
@@ -208,7 +208,6 @@ static int test_mmap_thread(void)
char path[PATH_MAX];
int id, err, pid, go_pipe[2];
union perf_event *event;
- char bf;
int count = 0;
snprintf(path, PATH_MAX, "%s/kernel/debug/tracing/events/syscalls/sys_enter_prctl/id",
@@ -229,6 +228,7 @@ static int test_mmap_thread(void)
pid = fork();
if (!pid) {
int i;
+ char bf;
read(go_pipe[0], &bf, 1);
@@ -266,7 +266,7 @@ static int test_mmap_thread(void)
perf_evlist__enable(evlist);
/* kick the child and wait for it to finish */
- write(go_pipe[1], &bf, 1);
+ write(go_pipe[1], "A", 1);
waitpid(pid, NULL, 0);
/*