diff options
Diffstat (limited to 'tools/perf/builtin-kvm.c')
| -rw-r--r-- | tools/perf/builtin-kvm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 533501e2b07..24b78aecc92 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -328,6 +328,7 @@ static int kvm_events_hash_fn(u64 key) static bool kvm_event_expand(struct kvm_event *event, int vcpu_id) { int old_max_vcpu = event->max_vcpu; + void *prev; if (vcpu_id < event->max_vcpu) return true; @@ -335,9 +336,11 @@ static bool kvm_event_expand(struct kvm_event *event, int vcpu_id) while (event->max_vcpu <= vcpu_id) event->max_vcpu += DEFAULT_VCPU_NUM; + prev = event->vcpu; event->vcpu = realloc(event->vcpu, event->max_vcpu * sizeof(*event->vcpu)); if (!event->vcpu) { + free(prev); pr_err("Not enough memory\n"); return false; } |