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Message-Id: <20230417171218.333567-2-pctammela@mojatatu.com>
Date:   Mon, 17 Apr 2023 14:12:15 -0300
From:   Pedro Tammela <pctammela@...atatu.com>
To:     netdev@...r.kernel.org
Cc:     jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, Pedro Tammela <pctammela@...atatu.com>
Subject: [PATCH net-next v2 1/4] net/sched: sch_htb: use extack on errors messages

Some error messages are still being printed to dmesg.
Since extack is available, provide error messages there.

Acked-by: Jamal Hadi Salim <jhs@...atatu.com>
Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
---
 net/sched/sch_htb.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 92f2975b6a82..79f5c4454fc3 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1786,7 +1786,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 		goto failure;
 
 	err = nla_parse_nested_deprecated(tb, TCA_HTB_MAX, opt, htb_policy,
-					  NULL);
+					  extack);
 	if (err < 0)
 		goto failure;
 
@@ -1858,7 +1858,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 
 		/* check maximal depth */
 		if (parent && parent->parent && parent->parent->level < 2) {
-			pr_err("htb: tree is too deep\n");
+			NL_SET_ERR_MSG_MOD(extack, "tree is too deep");
 			goto failure;
 		}
 		err = -ENOBUFS;
@@ -1917,8 +1917,8 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 			};
 			err = htb_offload(dev, &offload_opt);
 			if (err) {
-				pr_err("htb: TC_HTB_LEAF_ALLOC_QUEUE failed with err = %d\n",
-				       err);
+				NL_SET_ERR_MSG(extack,
+					       "Failed to offload leaf alloc queue");
 				goto err_kill_estimator;
 			}
 			dev_queue = netdev_get_tx_queue(dev, offload_opt.qid);
@@ -1937,8 +1937,8 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 			};
 			err = htb_offload(dev, &offload_opt);
 			if (err) {
-				pr_err("htb: TC_HTB_LEAF_TO_INNER failed with err = %d\n",
-				       err);
+				NL_SET_ERR_MSG(extack,
+					       "Failed to offload leaf to inner");
 				htb_graft_helper(dev_queue, old_q);
 				goto err_kill_estimator;
 			}
@@ -2067,8 +2067,9 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
 	qdisc_put(parent_qdisc);
 
 	if (warn)
-		pr_warn("HTB: quantum of class %X is %s. Consider r2q change.\n",
-			    cl->common.classid, (warn == -1 ? "small" : "big"));
+		NL_SET_ERR_MSG_FMT_MOD(extack,
+				       "quantum of class %X is %s. Consider r2q change.",
+				       cl->common.classid, (warn == -1 ? "small" : "big"));
 
 	qdisc_class_hash_grow(sch, &q->clhash);
 
-- 
2.34.1

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