From: David Ahern <dsah...@gmail.com>

Make sure extack is passed to nlmsg_parse where easy to do so.
Most of these are dump handlers and leveraging the extack in
the netlink_callback.

Signed-off-by: David Ahern <dsah...@gmail.com>
Acked-by: Christian Brauner <christ...@brauner.io>
---
 net/core/devlink.c             | 2 +-
 net/core/neighbour.c           | 3 ++-
 net/core/rtnetlink.c           | 4 ++--
 net/ipv4/devinet.c             | 9 +++++----
 net/ipv6/addrconf.c            | 2 +-
 net/ipv6/route.c               | 2 +-
 net/mpls/af_mpls.c             | 2 +-
 net/netfilter/ipvs/ip_vs_ctl.c | 2 +-
 net/sched/act_api.c            | 2 +-
 net/sched/cls_api.c            | 6 ++++--
 net/sched/sch_api.c            | 2 +-
 net/xfrm/xfrm_user.c           | 2 +-
 12 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/net/core/devlink.c b/net/core/devlink.c
index 938f68ee92f0..6dae81d65d5c 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -3504,7 +3504,7 @@ static int devlink_nl_cmd_region_read_dumpit(struct 
sk_buff *skb,
        start_offset = *((u64 *)&cb->args[0]);
 
        err = nlmsg_parse(cb->nlh, GENL_HDRLEN + devlink_nl_family.hdrsize,
-                         attrs, DEVLINK_ATTR_MAX, ops->policy, NULL);
+                         attrs, DEVLINK_ATTR_MAX, ops->policy, cb->extack);
        if (err)
                goto out;
 
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index fb023df48b83..b06f794bf91e 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2445,7 +2445,8 @@ static int neigh_dump_info(struct sk_buff *skb, struct 
netlink_callback *cb)
            ((struct ndmsg *)nlmsg_data(nlh))->ndm_flags == NTF_PROXY)
                proxy = 1;
 
-       err = nlmsg_parse(nlh, sizeof(struct ndmsg), tb, NDA_MAX, NULL, NULL);
+       err = nlmsg_parse(nlh, sizeof(struct ndmsg), tb, NDA_MAX, NULL,
+                         cb->extack);
        if (!err) {
                if (tb[NDA_IFINDEX]) {
                        if (nla_len(tb[NDA_IFINDEX]) != sizeof(u32))
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5564eee1e980..4486e8b7d9d0 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1909,7 +1909,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct 
netlink_callback *cb)
                 sizeof(struct rtgenmsg) : sizeof(struct ifinfomsg);
 
        if (nlmsg_parse(cb->nlh, hdrlen, tb, IFLA_MAX,
-                       ifla_policy, NULL) >= 0) {
+                       ifla_policy, cb->extack) >= 0) {
                if (tb[IFLA_TARGET_NETNSID]) {
                        netnsid = nla_get_s32(tb[IFLA_TARGET_NETNSID]);
                        tgt_net = rtnl_get_net_ns_capable(skb->sk, netnsid);
@@ -3774,7 +3774,7 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct 
netlink_callback *cb)
            (nlmsg_len(cb->nlh) != sizeof(struct ndmsg) +
             nla_attr_size(sizeof(u32)))) {
                err = nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb,
-                                 IFLA_MAX, ifla_policy, NULL);
+                                 IFLA_MAX, ifla_policy, cb->extack);
                if (err < 0) {
                        return -EINVAL;
                } else if (err == 0) {
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 44d931a3cd50..ab2b11df5ea4 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -782,7 +782,8 @@ static void set_ifa_lifetime(struct in_ifaddr *ifa, __u32 
valid_lft,
 }
 
 static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh,
-                                      __u32 *pvalid_lft, __u32 *pprefered_lft)
+                                      __u32 *pvalid_lft, __u32 *pprefered_lft,
+                                      struct netlink_ext_ack *extack)
 {
        struct nlattr *tb[IFA_MAX+1];
        struct in_ifaddr *ifa;
@@ -792,7 +793,7 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, 
struct nlmsghdr *nlh,
        int err;
 
        err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy,
-                         NULL);
+                         extack);
        if (err < 0)
                goto errout;
 
@@ -897,7 +898,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct 
nlmsghdr *nlh,
 
        ASSERT_RTNL();
 
-       ifa = rtm_to_ifaddr(net, nlh, &valid_lft, &prefered_lft);
+       ifa = rtm_to_ifaddr(net, nlh, &valid_lft, &prefered_lft, extack);
        if (IS_ERR(ifa))
                return PTR_ERR(ifa);
 
@@ -1684,7 +1685,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct 
netlink_callback *cb)
        s_ip_idx = ip_idx = cb->args[2];
 
        if (nlmsg_parse(cb->nlh, sizeof(struct ifaddrmsg), tb, IFA_MAX,
-                       ifa_ipv4_policy, NULL) >= 0) {
+                       ifa_ipv4_policy, cb->extack) >= 0) {
                if (tb[IFA_TARGET_NETNSID]) {
                        fillargs.netnsid = nla_get_s32(tb[IFA_TARGET_NETNSID]);
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a9a317322388..2f8aa4fd5e55 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5021,7 +5021,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct 
netlink_callback *cb,
        s_ip_idx = ip_idx = cb->args[2];
 
        if (nlmsg_parse(cb->nlh, sizeof(struct ifaddrmsg), tb, IFA_MAX,
-                       ifa_ipv6_policy, NULL) >= 0) {
+                       ifa_ipv6_policy, cb->extack) >= 0) {
                if (tb[IFA_TARGET_NETNSID]) {
                        netnsid = nla_get_s32(tb[IFA_TARGET_NETNSID]);
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 74d97addf1af..7c38e0e058ae 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4117,7 +4117,7 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct 
nlmsghdr *nlh,
        int err;
 
        err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy,
-                         NULL);
+                         extack);
        if (err < 0)
                goto errout;
 
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 8fbe6cdbe255..55a30ee3d820 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1223,7 +1223,7 @@ static int mpls_netconf_get_devconf(struct sk_buff 
*in_skb,
        int err;
 
        err = nlmsg_parse(nlh, sizeof(*ncm), tb, NETCONFA_MAX,
-                         devconf_mpls_policy, NULL);
+                         devconf_mpls_policy, extack);
        if (err < 0)
                goto errout;
 
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 62eefea48973..83395bf6dc35 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3234,7 +3234,7 @@ static int ip_vs_genl_dump_dests(struct sk_buff *skb,
 
        /* Try to find the service for which to dump destinations */
        if (nlmsg_parse(cb->nlh, GENL_HDRLEN, attrs, IPVS_CMD_ATTR_MAX,
-                       ip_vs_cmd_policy, NULL))
+                       ip_vs_cmd_policy, cb->extack))
                goto out_err;
 
 
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 55153da00278..9c1b0729aebf 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1452,7 +1452,7 @@ static int tc_dump_action(struct sk_buff *skb, struct 
netlink_callback *cb)
        u32 act_count = 0;
 
        ret = nlmsg_parse(cb->nlh, sizeof(struct tcamsg), tb, TCA_ROOT_MAX,
-                         tcaa_policy, NULL);
+                         tcaa_policy, cb->extack);
        if (ret < 0)
                return ret;
 
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index d670d3066ebd..43c8559aca56 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1727,7 +1727,8 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct 
netlink_callback *cb)
        if (nlmsg_len(cb->nlh) < sizeof(*tcm))
                return skb->len;
 
-       err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, NULL, NULL);
+       err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, NULL,
+                         cb->extack);
        if (err)
                return err;
 
@@ -2054,7 +2055,8 @@ static int tc_dump_chain(struct sk_buff *skb, struct 
netlink_callback *cb)
        if (nlmsg_len(cb->nlh) < sizeof(*tcm))
                return skb->len;
 
-       err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, NULL, NULL);
+       err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, NULL,
+                         cb->extack);
        if (err)
                return err;
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index da1963b19dec..cf5c714ae786 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1671,7 +1671,7 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct 
netlink_callback *cb)
        ASSERT_RTNL();
 
        err = nlmsg_parse(nlh, sizeof(struct tcmsg), tca, TCA_MAX,
-                         rtm_tca_policy, NULL);
+                         rtm_tca_policy, cb->extack);
        if (err < 0)
                return err;
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index df7ca2dabc48..ca7a207b81a9 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1007,7 +1007,7 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct 
netlink_callback *cb)
                int err;
 
                err = nlmsg_parse(cb->nlh, 0, attrs, XFRMA_MAX, xfrma_policy,
-                                 NULL);
+                                 cb->extack);
                if (err < 0)
                        return err;
 
-- 
2.11.0

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