From 7288dd2fd4888c85c687f8ded69c280938d1a7b6 Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Mon, 14 Aug 2023 14:47:18 -0700 Subject: [PATCH] genetlink: use attrs from struct genl_info Since dumps carry struct genl_info now, use the attrs pointer from genl_info and remove the one in struct genl_dumpit_info. Reviewed-by: Johannes Berg Reviewed-by: Miquel Raynal Reviewed-by: Jiri Pirko Link: https://lore.kernel.org/r/20230814214723.2924989-6-kuba@kernel.org Signed-off-by: Jakub Kicinski --- drivers/net/wireguard/netlink.c | 2 +- include/net/genetlink.h | 1 - net/devlink/health.c | 4 ++-- net/devlink/leftover.c | 6 +++--- net/devlink/netlink.c | 2 +- net/ethtool/netlink.c | 3 ++- net/ethtool/tunnels.c | 2 +- net/ieee802154/nl802154.c | 4 ++-- net/netlink/genetlink.c | 7 +++---- net/nfc/netlink.c | 4 ++-- net/tipc/netlink_compat.c | 2 +- net/tipc/node.c | 4 ++-- net/tipc/socket.c | 2 +- net/tipc/udp_media.c | 2 +- 14 files changed, 22 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireguard/netlink.c b/drivers/net/wireguard/netlink.c index 6d1bd9f..dc09b75 100644 --- a/drivers/net/wireguard/netlink.c +++ b/drivers/net/wireguard/netlink.c @@ -200,7 +200,7 @@ static int wg_get_device_start(struct netlink_callback *cb) { struct wg_device *wg; - wg = lookup_interface(genl_dumpit_info(cb)->attrs, cb->skb); + wg = lookup_interface(genl_info_dump(cb)->attrs, cb->skb); if (IS_ERR(wg)) return PTR_ERR(wg); DUMP_CTX(cb)->wg = wg; diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 86c8eaa..a8a15b9 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -255,7 +255,6 @@ struct genl_split_ops { struct genl_dumpit_info { const struct genl_family *family; struct genl_split_ops op; - struct nlattr **attrs; struct genl_info info; }; diff --git a/net/devlink/health.c b/net/devlink/health.c index a85bdec..638cad8 100644 --- a/net/devlink/health.c +++ b/net/devlink/health.c @@ -390,7 +390,7 @@ static int devlink_nl_health_reporter_get_dump_one(struct sk_buff *msg, int flags) { struct devlink_nl_dump_state *state = devlink_dump_state(cb); - const struct genl_dumpit_info *info = genl_dumpit_info(cb); + const struct genl_info *info = genl_info_dump(cb); struct devlink_health_reporter *reporter; unsigned long port_index_end = ULONG_MAX; struct nlattr **attrs = info->attrs; @@ -1264,7 +1264,7 @@ out: static struct devlink_health_reporter * devlink_health_reporter_get_from_cb(struct netlink_callback *cb) { - const struct genl_dumpit_info *info = genl_dumpit_info(cb); + const struct genl_info *info = genl_info_dump(cb); struct devlink_health_reporter *reporter; struct nlattr **attrs = info->attrs; struct devlink *devlink; diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c index 3883a90..72ba8a7 100644 --- a/net/devlink/leftover.c +++ b/net/devlink/leftover.c @@ -5201,7 +5201,7 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, struct devlink_nl_dump_state *state = devlink_dump_state(cb); struct nlattr *chunks_attr, *region_attr, *snapshot_attr; u64 ret_offset, start_offset, end_offset = U64_MAX; - struct nlattr **attrs = info->attrs; + struct nlattr **attrs = info->info.attrs; struct devlink_port *port = NULL; devlink_chunk_fill_t *region_cb; struct devlink_region *region; @@ -5224,8 +5224,8 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb, goto out_unlock; } - if (info->attrs[DEVLINK_ATTR_PORT_INDEX]) { - index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]); + if (attrs[DEVLINK_ATTR_PORT_INDEX]) { + index = nla_get_u32(attrs[DEVLINK_ATTR_PORT_INDEX]); port = devlink_port_get_by_index(devlink, index); if (!port) { diff --git a/net/devlink/netlink.c b/net/devlink/netlink.c index a9b43b0..72a5005 100644 --- a/net/devlink/netlink.c +++ b/net/devlink/netlink.c @@ -228,7 +228,7 @@ static int devlink_nl_inst_iter_dumpit(struct sk_buff *msg, int devlink_nl_dumpit(struct sk_buff *msg, struct netlink_callback *cb, devlink_nl_dump_one_func_t *dump_one) { - const struct genl_dumpit_info *info = genl_dumpit_info(cb); + const struct genl_info *info = genl_info_dump(cb); struct nlattr **attrs = info->attrs; int flags = NLM_F_MULTI; diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index ae344f1..9fc7c41 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -538,7 +538,8 @@ static int ethnl_default_start(struct netlink_callback *cb) goto free_req_info; } - ret = ethnl_default_parse(req_info, info->attrs, sock_net(cb->skb->sk), + ret = ethnl_default_parse(req_info, info->info.attrs, + sock_net(cb->skb->sk), ops, cb->extack, false); if (req_info->dev) { /* We ignore device specification in dump requests but as the diff --git a/net/ethtool/tunnels.c b/net/ethtool/tunnels.c index 05f7525..b4ce47d 100644 --- a/net/ethtool/tunnels.c +++ b/net/ethtool/tunnels.c @@ -219,7 +219,7 @@ int ethnl_tunnel_info_start(struct netlink_callback *cb) { const struct genl_dumpit_info *info = genl_dumpit_info(cb); struct ethnl_tunnel_info_dump_ctx *ctx = (void *)cb->ctx; - struct nlattr **tb = info->attrs; + struct nlattr **tb = info->info.attrs; int ret; BUILD_BUG_ON(sizeof(*ctx) > sizeof(cb->ctx)); diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index d610c18..1a265a4 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -262,7 +262,7 @@ nl802154_prepare_wpan_dev_dump(struct sk_buff *skb, if (!cb->args[0]) { *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk), - info->attrs); + info->info.attrs); if (IS_ERR(*wpan_dev)) { err = PTR_ERR(*wpan_dev); goto out_unlock; @@ -570,7 +570,7 @@ static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, struct nl802154_dump_wpan_phy_state *state) { const struct genl_dumpit_info *info = genl_dumpit_info(cb); - struct nlattr **tb = info->attrs; + struct nlattr **tb = info->info.attrs; if (tb[NL802154_ATTR_WPAN_PHY]) state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 82ad269..d47879d 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -846,7 +846,6 @@ static int genl_start(struct netlink_callback *cb) } info->family = ctx->family; info->op = *ops; - info->attrs = attrs; info->info.snd_seq = cb->nlh->nlmsg_seq; info->info.snd_portid = NETLINK_CB(cb->skb).portid; info->info.nlhdr = cb->nlh; @@ -864,7 +863,7 @@ static int genl_start(struct netlink_callback *cb) } if (rc) { - genl_family_rcv_msg_attrs_free(info->attrs); + genl_family_rcv_msg_attrs_free(info->info.attrs); genl_dumpit_info_free(info); cb->data = NULL; } @@ -898,7 +897,7 @@ static int genl_done(struct netlink_callback *cb) rc = ops->done(cb); genl_op_unlock(info->family); } - genl_family_rcv_msg_attrs_free(info->attrs); + genl_family_rcv_msg_attrs_free(info->info.attrs); genl_dumpit_info_free(info); return rc; } @@ -1387,7 +1386,7 @@ static int ctrl_dumppolicy_start(struct netlink_callback *cb) { const struct genl_dumpit_info *info = genl_dumpit_info(cb); struct ctrl_dump_policy_ctx *ctx = (void *)cb->ctx; - struct nlattr **tb = info->attrs; + struct nlattr **tb = info->info.attrs; const struct genl_family *rt; struct genl_op_iter i; int err; diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index e9ac6a6..aa1dbf6 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -110,10 +110,10 @@ static struct nfc_dev *__get_device_from_cb(struct netlink_callback *cb) struct nfc_dev *dev; u32 idx; - if (!info->attrs[NFC_ATTR_DEVICE_INDEX]) + if (!info->info.attrs[NFC_ATTR_DEVICE_INDEX]) return ERR_PTR(-EINVAL); - idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); + idx = nla_get_u32(info->info.attrs[NFC_ATTR_DEVICE_INDEX]); dev = nfc_get_device(idx); if (!dev) diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index 299cd67..5bc076f 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -208,7 +208,7 @@ static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, goto err_out; } - info.attrs = attrbuf; + info.info.attrs = attrbuf; if (nlmsg_len(cb.nlh) > 0) { err = nlmsg_parse_deprecated(cb.nlh, GENL_HDRLEN, attrbuf, diff --git a/net/tipc/node.c b/net/tipc/node.c index a9c5b65..3105abe 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -2662,7 +2662,7 @@ static int __tipc_nl_add_node_links(struct net *net, struct tipc_nl_msg *msg, int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb) { struct net *net = sock_net(skb->sk); - struct nlattr **attrs = genl_dumpit_info(cb)->attrs; + struct nlattr **attrs = genl_dumpit_info(cb)->info.attrs; struct nlattr *link[TIPC_NLA_LINK_MAX + 1]; struct tipc_net *tn = net_generic(net, tipc_net_id); struct tipc_node *node; @@ -2870,7 +2870,7 @@ int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb, int err; if (!prev_node) { - struct nlattr **attrs = genl_dumpit_info(cb)->attrs; + struct nlattr **attrs = genl_dumpit_info(cb)->info.attrs; struct nlattr *mon[TIPC_NLA_MON_MAX + 1]; if (!attrs[TIPC_NLA_MON]) diff --git a/net/tipc/socket.c b/net/tipc/socket.c index ef8e513..bb1118d 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -3791,7 +3791,7 @@ int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb) struct tipc_sock *tsk; if (!tsk_portid) { - struct nlattr **attrs = genl_dumpit_info(cb)->attrs; + struct nlattr **attrs = genl_dumpit_info(cb)->info.attrs; struct nlattr *sock[TIPC_NLA_SOCK_MAX + 1]; if (!attrs[TIPC_NLA_SOCK]) diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 9262325..f892b09 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -465,7 +465,7 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb) int i; if (!bid && !skip_cnt) { - struct nlattr **attrs = genl_dumpit_info(cb)->attrs; + struct nlattr **attrs = genl_dumpit_info(cb)->info.attrs; struct net *net = sock_net(skb->sk); struct nlattr *battrs[TIPC_NLA_BEARER_MAX + 1]; char *bname; -- 2.7.4