diff options
| -rw-r--r-- | arch/x86/events/amd/ibs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c index d9c84f1d530f..3e7ca1e2f25e 100644 --- a/arch/x86/events/amd/ibs.c +++ b/arch/x86/events/amd/ibs.c @@ -315,6 +315,9 @@ static int perf_ibs_init(struct perf_event *event) } else { u64 period = 0; + if (event->attr.freq) + return -EINVAL; + if (perf_ibs == &perf_ibs_op) { period = (config & IBS_OP_MAX_CNT) << 4; if (ibs_caps & IBS_CAPS_OPCNTEXT) |