diff options
| -rw-r--r-- | kernel/perf_counter.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 615440ab929..117622cb73a 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -2646,7 +2646,7 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, u64 counter; } group_entry; struct perf_callchain_entry *callchain = NULL; - struct perf_tracepoint_record *tp; + struct perf_tracepoint_record *tp = NULL; int callchain_size = 0; u64 time; struct { @@ -2717,7 +2717,8 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, if (sample_type & PERF_SAMPLE_TP_RECORD) { tp = data->private; - header.size += tp->size; + if (tp) + header.size += tp->size; } ret = perf_output_begin(&handle, counter, header.size, nmi, 1); @@ -2783,7 +2784,7 @@ static void perf_counter_output(struct perf_counter *counter, int nmi, } } - if (sample_type & PERF_SAMPLE_TP_RECORD) + if ((sample_type & PERF_SAMPLE_TP_RECORD) && tp) perf_output_copy(&handle, tp->record, tp->size); perf_output_end(&handle); |