From: Patrick McHardy <kaber@trash.net>
Date: Thu, 24 Jan 2008 04:35:19 +0000 (-0800)
Subject: [NET_SCHED]: sch_api: introduce constant for rate table size
X-Git-Tag: firefly_0821_release~23655^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5feb5e1aaa887f6427b8290bce48bfb6b7010fc6;p=firefly-linux-kernel-4.4.55.git

[NET_SCHED]: sch_api: introduce constant for rate table size

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/linux/pkt_sched.h b/include/linux/pkt_sched.h
index 919af93b7059..32761352e858 100644
--- a/include/linux/pkt_sched.h
+++ b/include/linux/pkt_sched.h
@@ -83,6 +83,8 @@ struct tc_ratespec
 	__u32		rate;
 };
 
+#define TC_RTAB_SIZE	1024
+
 /* FIFO section */
 
 struct tc_fifo_qopt
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 8db554d54854..7e3c048ba9b1 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -244,7 +244,8 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *ta
 		}
 	}
 
-	if (tab == NULL || r->rate == 0 || r->cell_log == 0 || nla_len(tab) != 1024)
+	if (tab == NULL || r->rate == 0 || r->cell_log == 0 ||
+	    nla_len(tab) != TC_RTAB_SIZE)
 		return NULL;
 
 	rtab = kmalloc(sizeof(*rtab), GFP_KERNEL);