Same as key: if the size isn't divisible by BITS_PER_BYTE, we need to round up, not down. Without this, you can't store vlan ids in a map, as they are truncated to 8 bit. Signed-off-by: Florian Westphal <fw@xxxxxxxxx> --- src/mnl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mnl.c b/src/mnl.c index 75113c74c224..bcf633002f15 100644 --- a/src/mnl.c +++ b/src/mnl.c @@ -870,7 +870,7 @@ int mnl_nft_set_add(struct netlink_ctx *ctx, const struct cmd *cmd, nftnl_set_set_u32(nls, NFTNL_SET_DATA_TYPE, dtype_map_to_kernel(set->data->dtype)); nftnl_set_set_u32(nls, NFTNL_SET_DATA_LEN, - set->data->len / BITS_PER_BYTE); + div_round_up(set->data->len, BITS_PER_BYTE)); } if (set_is_objmap(set->flags)) nftnl_set_set_u32(nls, NFTNL_SET_OBJ_TYPE, set->objtype); -- 2.23.0
