diff options
| -rw-r--r-- | kernel/stop_machine.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 0e688c6a1a63..8aff79d90ddc 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -66,6 +66,7 @@ static void stop_cpu(struct work_struct *unused) enum stopmachine_state curstate = STOPMACHINE_NONE; struct stop_machine_data *smdata = &idle; int cpu = smp_processor_id(); + int err; if (!active_cpus) { if (cpu == first_cpu(cpu_online_map)) @@ -86,9 +87,11 @@ static void stop_cpu(struct work_struct *unused) hard_irq_disable(); break; case STOPMACHINE_RUN: - /* |= allows error detection if functions on - * multiple CPUs. */ - smdata->fnret |= smdata->fn(smdata->data); + /* On multiple CPUs only a single error code + * is needed to tell that something failed. */ + err = smdata->fn(smdata->data); + if (err) + smdata->fnret = err; break; default: break; |