diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/srcu.c | 5 | ||||
| -rw-r--r-- | kernel/sys.c | 3 |
2 files changed, 5 insertions, 3 deletions
diff --git a/kernel/srcu.c b/kernel/srcu.c index 7e1979f624ba..3507cabe963b 100644 --- a/kernel/srcu.c +++ b/kernel/srcu.c @@ -42,11 +42,12 @@ * to any other function. Each srcu_struct represents a separate domain * of SRCU protection. */ -void init_srcu_struct(struct srcu_struct *sp) +int init_srcu_struct(struct srcu_struct *sp) { sp->completed = 0; - sp->per_cpu_ref = alloc_percpu(struct srcu_struct_array); mutex_init(&sp->mutex); + sp->per_cpu_ref = alloc_percpu(struct srcu_struct_array); + return (sp->per_cpu_ref ? 0 : -ENOMEM); } /* diff --git a/kernel/sys.c b/kernel/sys.c index fd5c71006775..98489d82801b 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -517,7 +517,8 @@ EXPORT_SYMBOL_GPL(srcu_notifier_call_chain); void srcu_init_notifier_head(struct srcu_notifier_head *nh) { mutex_init(&nh->mutex); - init_srcu_struct(&nh->srcu); + if (init_srcu_struct(&nh->srcu) < 0) + BUG(); nh->head = NULL; } |