powerpc/papr_scm: Ensure rc is always initialized in papr_scm_pmu_register()

[platform/kernel/linux-starfive.git] / arch / powerpc / platforms / pseries / papr_scm.c

diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 54740af..2f83855 100644 (file)
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -489,8 +489,10 @@ static void papr_scm_pmu_register(struct papr_scm_priv *p)
                goto pmu_err_print;
        }
 
-       if (!p->stat_buffer_len)
+       if (!p->stat_buffer_len) {
+               rc = -ENOENT;
                goto pmu_check_events_err;
+       }
 
        nd_pmu->pmu.task_ctx_nr = perf_invalid_context;
        nd_pmu->pmu.name = nvdimm_name(p->nvdimm);