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-rw-r--r--kernel/workqueue.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 7cf430372f89..ec7e4f62aaff 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -911,6 +911,7 @@ static int __devinit workqueue_cpu_callback(struct notifier_block *nfb,
911 unsigned int cpu = (unsigned long)hcpu; 911 unsigned int cpu = (unsigned long)hcpu;
912 struct cpu_workqueue_struct *cwq; 912 struct cpu_workqueue_struct *cwq;
913 struct workqueue_struct *wq; 913 struct workqueue_struct *wq;
914 int ret = NOTIFY_OK;
914 915
915 action &= ~CPU_TASKS_FROZEN; 916 action &= ~CPU_TASKS_FROZEN;
916 917
@@ -918,7 +919,7 @@ static int __devinit workqueue_cpu_callback(struct notifier_block *nfb,
918 case CPU_UP_PREPARE: 919 case CPU_UP_PREPARE:
919 cpu_set(cpu, cpu_populated_map); 920 cpu_set(cpu, cpu_populated_map);
920 } 921 }
921 922undo:
922 list_for_each_entry(wq, &workqueues, list) { 923 list_for_each_entry(wq, &workqueues, list) {
923 cwq = per_cpu_ptr(wq->cpu_wq, cpu); 924 cwq = per_cpu_ptr(wq->cpu_wq, cpu);
924 925
@@ -928,7 +929,9 @@ static int __devinit workqueue_cpu_callback(struct notifier_block *nfb,
928 break; 929 break;
929 printk(KERN_ERR "workqueue [%s] for %i failed\n", 930 printk(KERN_ERR "workqueue [%s] for %i failed\n",
930 wq->name, cpu); 931 wq->name, cpu);
931 return NOTIFY_BAD; 932 action = CPU_UP_CANCELED;
933 ret = NOTIFY_BAD;
934 goto undo;
932 935
933 case CPU_ONLINE: 936 case CPU_ONLINE:
934 start_workqueue_thread(cwq, cpu); 937 start_workqueue_thread(cwq, cpu);
@@ -948,7 +951,7 @@ static int __devinit workqueue_cpu_callback(struct notifier_block *nfb,
948 cpu_clear(cpu, cpu_populated_map); 951 cpu_clear(cpu, cpu_populated_map);
949 } 952 }
950 953
951 return NOTIFY_OK; 954 return ret;
952} 955}
953 956
954void __init init_workqueues(void) 957void __init init_workqueues(void)