diff options
Diffstat (limited to 'net/iucv/iucv.c')
| -rw-r--r-- | net/iucv/iucv.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index cc34ac769a3c..265b1b289a32 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -474,14 +474,14 @@ static void iucv_setmask_mp(void) { int cpu; - preempt_disable(); + get_online_cpus(); for_each_online_cpu(cpu) /* Enable all cpus with a declared buffer. */ if (cpu_isset(cpu, iucv_buffer_cpumask) && !cpu_isset(cpu, iucv_irq_cpumask)) smp_call_function_single(cpu, iucv_allow_cpu, NULL, 1); - preempt_enable(); + put_online_cpus(); } /** @@ -521,16 +521,18 @@ static int iucv_enable(void) goto out; /* Declare per cpu buffers. */ rc = -EIO; - preempt_disable(); + get_online_cpus(); for_each_online_cpu(cpu) smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); preempt_enable(); if (cpus_empty(iucv_buffer_cpumask)) /* No cpu could declare an iucv buffer. */ goto out_path; + put_online_cpus(); return 0; out_path: + put_online_cpus(); kfree(iucv_path_table); out: return rc; @@ -564,8 +566,11 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, return NOTIFY_BAD; iucv_param[cpu] = kmalloc_node(sizeof(union iucv_param), GFP_KERNEL|GFP_DMA, cpu_to_node(cpu)); - if (!iucv_param[cpu]) + if (!iucv_param[cpu]) { + kfree(iucv_irq_data[cpu]); + iucv_irq_data[cpu] = NULL; return NOTIFY_BAD; + } break; case CPU_UP_CANCELED: case CPU_UP_CANCELED_FROZEN: @@ -598,7 +603,7 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, return NOTIFY_OK; } -static struct notifier_block __cpuinitdata iucv_cpu_notifier = { +static struct notifier_block __refdata iucv_cpu_notifier = { .notifier_call = iucv_cpu_notify, }; |