diff options
| -rw-r--r-- | tools/perf/util/util.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index b356c9f7f0c3..089208b51e68 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -524,7 +524,8 @@ int do_realloc_array_as_needed(void **arr, size_t *arr_sz, size_t x, size_t msz, new_arr = calloc(new_sz, msz); if (!new_arr) return -ENOMEM; - memcpy(new_arr, *arr, *arr_sz * msz); + if (*arr_sz) + memcpy(new_arr, *arr, *arr_sz * msz); if (init_val) { for (i = *arr_sz; i < new_sz; i++) memcpy(new_arr + (i * msz), init_val, msz); |