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authorPedro Tammela <pctammela@mojatatu.com>2023-04-21 18:25:14 -0300
committerDavid S. Miller <davem@davemloft.net>2023-04-23 18:35:27 +0100
commit0c83c5210e18763ec54252b990d270748c99b01d (patch)
tree12dfa8827890f9c3625e26ead76715d87722f13d /net/sched
parent5036034572b79daa6d6600338e8e8229e2a44b09 (diff)
downloadlinux-0c83c5210e18763ec54252b990d270748c99b01d.tar.gz
net/sched: act_pedit: use extack in 'ex' parsing errors
We have extack available when parsing 'ex' keys, so pass it to tcf_pedit_keys_ex_parse and add more detailed error messages. Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Pedro Tammela <pctammela@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/act_pedit.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 45201f75e8964..24976cd4e4a2f 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -36,7 +36,7 @@ static const struct nla_policy pedit_key_ex_policy[TCA_PEDIT_KEY_EX_MAX + 1] = {
};
static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla,
- u8 n)
+ u8 n, struct netlink_ext_ack *extack)
{
struct tcf_pedit_key_ex *keys_ex;
struct tcf_pedit_key_ex *k;
@@ -57,12 +57,14 @@ static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla,
struct nlattr *tb[TCA_PEDIT_KEY_EX_MAX + 1];
if (!n) {
+ NL_SET_ERR_MSG_MOD(extack, "Can't parse more extended keys than requested");
err = -EINVAL;
goto err_out;
}
n--;
if (nla_type(ka) != TCA_PEDIT_KEY_EX) {
+ NL_SET_ERR_MSG_ATTR(extack, ka, "Unknown attribute, expected extended key");
err = -EINVAL;
goto err_out;
}
@@ -73,8 +75,14 @@ static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla,
if (err)
goto err_out;
- if (!tb[TCA_PEDIT_KEY_EX_HTYPE] ||
- !tb[TCA_PEDIT_KEY_EX_CMD]) {
+ if (NL_REQ_ATTR_CHECK(extack, nla, tb, TCA_PEDIT_KEY_EX_HTYPE)) {
+ NL_SET_ERR_MSG(extack, "Missing required attribute");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (NL_REQ_ATTR_CHECK(extack, nla, tb, TCA_PEDIT_KEY_EX_CMD)) {
+ NL_SET_ERR_MSG(extack, "Missing required attribute");
err = -EINVAL;
goto err_out;
}
@@ -86,6 +94,7 @@ static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla,
}
if (n) {
+ NL_SET_ERR_MSG_MOD(extack, "Not enough extended keys to parse");
err = -EINVAL;
goto err_out;
}
@@ -217,7 +226,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
}
nparms->tcfp_keys_ex =
- tcf_pedit_keys_ex_parse(tb[TCA_PEDIT_KEYS_EX], parm->nkeys);
+ tcf_pedit_keys_ex_parse(tb[TCA_PEDIT_KEYS_EX], parm->nkeys, extack);
if (IS_ERR(nparms->tcfp_keys_ex)) {
ret = PTR_ERR(nparms->tcfp_keys_ex);
goto out_free;