static int nf_tables_parse_netdev_hooks(struct net *net,
const struct nlattr *attr,
- struct list_head *hook_list)
+ struct list_head *hook_list,
+ struct netlink_ext_ack *extack)
{
struct nft_hook *hook, *next;
const struct nlattr *tmp;
hook = nft_netdev_hook_alloc(net, tmp);
if (IS_ERR(hook)) {
+ NL_SET_BAD_ATTR(extack, tmp);
err = PTR_ERR(hook);
goto err_hook;
}
if (nft_hook_list_find(hook_list, hook)) {
+ NL_SET_BAD_ATTR(extack, tmp);
kfree(hook);
err = -EEXIST;
goto err_hook;
static int nft_chain_parse_netdev(struct net *net,
struct nlattr *tb[],
- struct list_head *hook_list)
+ struct list_head *hook_list,
+ struct netlink_ext_ack *extack)
{
struct nft_hook *hook;
int err;
if (tb[NFTA_HOOK_DEV]) {
hook = nft_netdev_hook_alloc(net, tb[NFTA_HOOK_DEV]);
- if (IS_ERR(hook))
+ if (IS_ERR(hook)) {
+ NL_SET_BAD_ATTR(extack, tb[NFTA_HOOK_DEV]);
return PTR_ERR(hook);
+ }
list_add_tail(&hook->list, hook_list);
} else if (tb[NFTA_HOOK_DEVS]) {
err = nf_tables_parse_netdev_hooks(net, tb[NFTA_HOOK_DEVS],
- hook_list);
+ hook_list, extack);
if (err < 0)
return err;
INIT_LIST_HEAD(&hook->list);
if (nft_base_chain_netdev(family, hook->num)) {
- err = nft_chain_parse_netdev(net, ha, &hook->list);
+ err = nft_chain_parse_netdev(net, ha, &hook->list, extack);
if (err < 0) {
module_put(type->owner);
return err;
static int nft_flowtable_parse_hook(const struct nft_ctx *ctx,
const struct nlattr *attr,
struct nft_flowtable_hook *flowtable_hook,
- struct nft_flowtable *flowtable, bool add)
+ struct nft_flowtable *flowtable,
+ struct netlink_ext_ack *extack, bool add)
{
struct nlattr *tb[NFTA_FLOWTABLE_HOOK_MAX + 1];
struct nft_hook *hook;
if (tb[NFTA_FLOWTABLE_HOOK_DEVS]) {
err = nf_tables_parse_netdev_hooks(ctx->net,
tb[NFTA_FLOWTABLE_HOOK_DEVS],
- &flowtable_hook->list);
+ &flowtable_hook->list,
+ extack);
if (err < 0)
return err;
}
}
static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh,
- struct nft_flowtable *flowtable)
+ struct nft_flowtable *flowtable,
+ struct netlink_ext_ack *extack)
{
const struct nlattr * const *nla = ctx->nla;
struct nft_flowtable_hook flowtable_hook;
int err;
err = nft_flowtable_parse_hook(ctx, nla[NFTA_FLOWTABLE_HOOK],
- &flowtable_hook, flowtable, false);
+ &flowtable_hook, flowtable, extack, false);
if (err < 0)
return err;
nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
- return nft_flowtable_update(&ctx, info->nlh, flowtable);
+ return nft_flowtable_update(&ctx, info->nlh, flowtable, extack);
}
nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
goto err3;
err = nft_flowtable_parse_hook(&ctx, nla[NFTA_FLOWTABLE_HOOK],
- &flowtable_hook, flowtable, true);
+ &flowtable_hook, flowtable, extack, true);
if (err < 0)
goto err4;
}
static int nft_delflowtable_hook(struct nft_ctx *ctx,
- struct nft_flowtable *flowtable)
+ struct nft_flowtable *flowtable,
+ struct netlink_ext_ack *extack)
{
const struct nlattr * const *nla = ctx->nla;
struct nft_flowtable_hook flowtable_hook;
int err;
err = nft_flowtable_parse_hook(ctx, nla[NFTA_FLOWTABLE_HOOK],
- &flowtable_hook, flowtable, false);
+ &flowtable_hook, flowtable, extack, false);
if (err < 0)
return err;
nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
if (nla[NFTA_FLOWTABLE_HOOK])
- return nft_delflowtable_hook(&ctx, flowtable);
+ return nft_delflowtable_hook(&ctx, flowtable, extack);
if (flowtable->use > 0) {
NL_SET_BAD_ATTR(extack, attr);