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-rw-r--r--tools/perf/tests/backward-ring-buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index 13f9a060361a..ff3a986983ab 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -38,7 +38,7 @@ static int count_samples(struct evlist *evlist, int *sample_count,
struct mmap *map = &evlist->overwrite_mmap[i];
union perf_event *event;
- perf_mmap__read_init(map);
+ perf_mmap__read_init(&map->core);
while ((event = perf_mmap__read_event(map)) != NULL) {
const u32 type = event->header.type;