diff options
Diffstat (limited to 'kernel/bpf/arraymap.c')
| -rw-r--r-- | kernel/bpf/arraymap.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index 3552da4407d9..0349cbf23cdb 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c | |||
| @@ -117,14 +117,8 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr) | |||
| 117 | 117 | ||
| 118 | /* make sure there is no u32 overflow later in round_up() */ | 118 | /* make sure there is no u32 overflow later in round_up() */ |
| 119 | cost = array_size; | 119 | cost = array_size; |
| 120 | if (cost >= U32_MAX - PAGE_SIZE) | 120 | if (percpu) |
| 121 | return ERR_PTR(-ENOMEM); | ||
| 122 | if (percpu) { | ||
| 123 | cost += (u64)attr->max_entries * elem_size * num_possible_cpus(); | 121 | cost += (u64)attr->max_entries * elem_size * num_possible_cpus(); |
| 124 | if (cost >= U32_MAX - PAGE_SIZE) | ||
| 125 | return ERR_PTR(-ENOMEM); | ||
| 126 | } | ||
| 127 | cost = round_up(cost, PAGE_SIZE) >> PAGE_SHIFT; | ||
| 128 | 122 | ||
| 129 | ret = bpf_map_charge_init(&mem, cost); | 123 | ret = bpf_map_charge_init(&mem, cost); |
| 130 | if (ret < 0) | 124 | if (ret < 0) |