diff options
Diffstat (limited to 'kernel/bpf/core.c')
| -rw-r--r-- | kernel/bpf/core.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index de3e5bc6781f..0a1cfd8544b9 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1829,28 +1829,30 @@ static unsigned int __bpf_prog_ret0_warn(const void *ctx, } #endif -bool bpf_prog_array_compatible(struct bpf_array *array, - const struct bpf_prog *fp) +bool bpf_prog_map_compatible(struct bpf_map *map, + const struct bpf_prog *fp) { bool ret; if (fp->kprobe_override) return false; - spin_lock(&array->aux->owner.lock); - - if (!array->aux->owner.type) { + spin_lock(&map->owner.lock); + if (!map->owner.type) { /* There's no owner yet where we could check for * compatibility. */ - array->aux->owner.type = fp->type; - array->aux->owner.jited = fp->jited; + map->owner.type = fp->type; + map->owner.jited = fp->jited; + map->owner.xdp_has_frags = fp->aux->xdp_has_frags; ret = true; } else { - ret = array->aux->owner.type == fp->type && - array->aux->owner.jited == fp->jited; + ret = map->owner.type == fp->type && + map->owner.jited == fp->jited && + map->owner.xdp_has_frags == fp->aux->xdp_has_frags; } - spin_unlock(&array->aux->owner.lock); + spin_unlock(&map->owner.lock); + return ret; } @@ -1862,13 +1864,11 @@ static int bpf_check_tail_call(const struct bpf_prog *fp) mutex_lock(&aux->used_maps_mutex); for (i = 0; i < aux->used_map_cnt; i++) { struct bpf_map *map = aux->used_maps[i]; - struct bpf_array *array; - if (map->map_type != BPF_MAP_TYPE_PROG_ARRAY) + if (!map_type_contains_progs(map)) continue; - array = container_of(map, struct bpf_array, map); - if (!bpf_prog_array_compatible(array, fp)) { + if (!bpf_prog_map_compatible(map, fp)) { ret = -EINVAL; goto out; } |