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-rw-r--r--tools/perf/util/thread_map.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index 8c3c3a0751bd..920136dd8c2e 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -22,7 +22,7 @@ static int filter(const struct dirent *dir)
static struct thread_map *thread_map__realloc(struct thread_map *map, int nr)
{
- size_t size = sizeof(*map) + sizeof(pid_t) * nr;
+ size_t size = sizeof(*map) + sizeof(map->map[0]) * nr;
return realloc(map, size);
}