1 files changed, 1 insertions, 3 deletions

diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 95e7fe1c5f0b..589286f28877 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -205,10 +205,8 @@ static void amd_put_event_constraints(struct cpu_hw_events *cpuc,
          * when we come here
          */
         for (i = 0; i < x86_pmu.num_counters; i++) {
-                if (nb->owners[i] == event) {
-                        cmpxchg(nb->owners+i, event, NULL);
+                if (cmpxchg(nb->owners + i, event, NULL) == event)
                         break;
-                }
         }
 }