diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c index 9a5f94371e50..c1c9dee4dcdd 100644 --- a/kernel/bpf/queue_stack_maps.c +++ b/kernel/bpf/queue_stack_maps.c @@ -99,8 +99,10 @@ static long __queue_map_get(struct bpf_map *map, void *value, bool delete) int err = 0; void *ptr; - if (raw_res_spin_lock_irqsave(&qs->lock, flags)) + if (raw_res_spin_lock_irqsave(&qs->lock, flags)) { + memset(value, 0, qs->map.value_size); return -EBUSY; + } if (queue_stack_map_is_empty(qs)) { memset(value, 0, qs->map.value_size); @@ -130,8 +132,10 @@ static long __stack_map_get(struct bpf_map *map, void *value, bool delete) void *ptr; u32 index; - if (raw_res_spin_lock_irqsave(&qs->lock, flags)) + if (raw_res_spin_lock_irqsave(&qs->lock, flags)) { + memset(value, 0, qs->map.value_size); return -EBUSY; + } if (queue_stack_map_is_empty(qs)) { memset(value, 0, qs->map.value_size);