diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/padata.c | 4 | ||||
| -rw-r--r-- | kernel/profile.c | 4 | ||||
| -rw-r--r-- | kernel/relay.c | 2 | ||||
| -rw-r--r-- | kernel/smp.c | 2 | ||||
| -rw-r--r-- | kernel/softirq.c | 2 | ||||
| -rw-r--r-- | kernel/timer.c | 7 | ||||
| -rw-r--r-- | kernel/workqueue.c | 9 |
7 files changed, 17 insertions, 13 deletions
diff --git a/kernel/padata.c b/kernel/padata.c index b1c9857..fdd8ae6 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -659,7 +659,7 @@ static int padata_cpu_callback(struct notifier_block *nfb, err = __padata_add_cpu(pinst, cpu); mutex_unlock(&pinst->lock); if (err) - return NOTIFY_BAD; + return notifier_from_errno(err); break; case CPU_DOWN_PREPARE: @@ -670,7 +670,7 @@ static int padata_cpu_callback(struct notifier_block *nfb, err = __padata_remove_cpu(pinst, cpu); mutex_unlock(&pinst->lock); if (err) - return NOTIFY_BAD; + return notifier_from_errno(err); break; case CPU_UP_CANCELED: diff --git a/kernel/profile.c b/kernel/profile.c index dfadc5b..1e6a0d9 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -372,7 +372,7 @@ static int __cpuinit profile_cpu_callback(struct notifier_block *info, GFP_KERNEL | __GFP_ZERO, 0); if (!page) - return NOTIFY_BAD; + return notifier_from_errno(-ENOMEM); per_cpu(cpu_profile_hits, cpu)[1] = page_address(page); } if (!per_cpu(cpu_profile_hits, cpu)[0]) { @@ -388,7 +388,7 @@ out_free: page = virt_to_page(per_cpu(cpu_profile_hits, cpu)[1]); per_cpu(cpu_profile_hits, cpu)[1] = NULL; __free_page(page); - return NOTIFY_BAD; + return notifier_from_errno(-ENOMEM); case CPU_ONLINE: case CPU_ONLINE_FROZEN: if (prof_cpu_mask != NULL) diff --git a/kernel/relay.c b/kernel/relay.c index 4268287..c7cf397 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -539,7 +539,7 @@ static int __cpuinit relay_hotcpu_callback(struct notifier_block *nb, "relay_hotcpu_callback: cpu %d buffer " "creation failed\n", hotcpu); mutex_unlock(&relay_channels_mutex); - return NOTIFY_BAD; + return notifier_from_errno(-ENOMEM); } } mutex_unlock(&relay_channels_mutex); diff --git a/kernel/smp.c b/kernel/smp.c index 3fc6973..75c970c 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -52,7 +52,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) case CPU_UP_PREPARE_FROZEN: if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL, cpu_to_node(cpu))) - return NOTIFY_BAD; + return notifier_from_errno(-ENOMEM); break; #ifdef CONFIG_HOTPLUG_CPU diff --git a/kernel/softirq.c b/kernel/softirq.c index 0db913a..825e112 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -808,7 +808,7 @@ static int __cpuinit cpu_callback(struct notifier_block *nfb, p = kthread_create(run_ksoftirqd, hcpu, "ksoftirqd/%d", hotcpu); if (IS_ERR(p)) { printk("ksoftirqd for %i failed\n", hotcpu); - return NOTIFY_BAD; + return notifier_from_errno(PTR_ERR(p)); } kthread_bind(p, hotcpu); per_cpu(ksoftirqd, hotcpu) = p; diff --git a/kernel/timer.c b/kernel/timer.c index be394af..e3b8c69 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1680,11 +1680,14 @@ static int __cpuinit timer_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { long cpu = (long)hcpu; + int err; + switch(action) { case CPU_UP_PREPARE: case CPU_UP_PREPARE_FROZEN: - if (init_timers_cpu(cpu) < 0) - return NOTIFY_BAD; + err = init_timers_cpu(cpu); + if (err < 0) + return notifier_from_errno(err); break; #ifdef CONFIG_HOTPLUG_CPU case CPU_DEAD: diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 77dabbf..327d2de 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1110,7 +1110,7 @@ static int __devinit workqueue_cpu_callback(struct notifier_block *nfb, unsigned int cpu = (unsigned long)hcpu; struct cpu_workqueue_struct *cwq; struct workqueue_struct *wq; - int ret = NOTIFY_OK; + int err = 0; action &= ~CPU_TASKS_FROZEN; @@ -1124,12 +1124,13 @@ undo: switch (action) { case CPU_UP_PREPARE: - if (!create_workqueue_thread(cwq, cpu)) + err = create_workqueue_thread(cwq, cpu); + if (!err) break; printk(KERN_ERR "workqueue [%s] for %i failed\n", wq->name, cpu); action = CPU_UP_CANCELED; - ret = NOTIFY_BAD; + err = -ENOMEM; goto undo; case CPU_ONLINE: @@ -1150,7 +1151,7 @@ undo: cpumask_clear_cpu(cpu, cpu_populated_map); } - return ret; + return notifier_from_errno(err); } #ifdef CONFIG_SMP |