diff options
Diffstat (limited to 'tools/testing/selftests/bpf/trace_helpers.c')
| -rw-r--r-- | tools/testing/selftests/bpf/trace_helpers.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c index ca6abae9b09c..3d6217e3aff7 100644 --- a/tools/testing/selftests/bpf/trace_helpers.c +++ b/tools/testing/selftests/bpf/trace_helpers.c @@ -34,6 +34,13 @@ int load_kallsyms(void) if (!f) return -ENOENT; + /* + * This is called/used from multiplace places, + * load symbols just once. + */ + if (sym_cnt) + return 0; + while (fgets(buf, sizeof(buf), f)) { if (sscanf(buf, "%p %c %s", &addr, &symbol, func) != 3) break; |