From: Yue Haibing <yuehaibing@huawei.com>
Date: Wed, 13 Aug 2025 12:55:26 +0000 (+0800)
Subject: net/sched: Use TC_RTAB_SIZE instead of magic number
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=eeea7688632e0c697f66bdd71708c8faf36f6540;p=users%2Fwilly%2Fxarray.git

net/sched: Use TC_RTAB_SIZE instead of magic number

Replace magic number with TC_RTAB_SIZE to make it more informative.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://patch.msgid.link/20250813125526.853895-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d7c767b861a4..1e058b46d3e1 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -431,7 +431,7 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
 
 	for (rtab = qdisc_rtab_list; rtab; rtab = rtab->next) {
 		if (!memcmp(&rtab->rate, r, sizeof(struct tc_ratespec)) &&
-		    !memcmp(&rtab->data, nla_data(tab), 1024)) {
+		    !memcmp(&rtab->data, nla_data(tab), TC_RTAB_SIZE)) {
 			rtab->refcnt++;
 			return rtab;
 		}
@@ -441,7 +441,7 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
 	if (rtab) {
 		rtab->rate = *r;
 		rtab->refcnt = 1;
-		memcpy(rtab->data, nla_data(tab), 1024);
+		memcpy(rtab->data, nla_data(tab), TC_RTAB_SIZE);
 		if (r->linklayer == TC_LINKLAYER_UNAWARE)
 			r->linklayer = __detect_linklayer(r, rtab->data);
 		rtab->next = qdisc_rtab_list;