diff options
| -rw-r--r-- | arch/s390/kernel/perf_cpum_sf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index 4d8ddd8bd9be..7e9b9e6ee821 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1938,6 +1938,9 @@ static int __init init_cpum_sampling_pmu(void) return -ENODEV; } + if (!si.as && !si.ad) + return -ENODEV; + if (si.bsdes != sizeof(struct hws_basic_entry)) { pr_cpumsf_err(RS_INIT_FAILURE_BSDES); return -EINVAL; |