1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 14eca80918dc..f571f514de2a 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -455,8 +455,11 @@ static int __hw_perf_event_init(struct perf_event *event)
                 if (atomic_read(&active_events) == 0) {
                         if (!reserve_pmc_hardware())
                                 err = -EBUSY;
-                        else
+                        else {
                                 err = reserve_ds_buffers();
+                                if (err)
+                                        release_pmc_hardware();
+                        }
                 }
                 if (!err)
                         atomic_inc(&active_events);