diff options
Diffstat (limited to 'kernel/bpf/queue_stack_maps.c')
| -rw-r--r-- | kernel/bpf/queue_stack_maps.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c index 9a5f94371e50..6e8b18c32a10 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); @@ -121,7 +123,6 @@ out: return err; } - static long __stack_map_get(struct bpf_map *map, void *value, bool delete) { struct bpf_queue_stack *qs = bpf_queue_stack(map); @@ -130,8 +131,10 @@ 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); |