[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 919af93b70596e70a06bdd10363c1d57a1aa50f4..32761352e858cd4c95b15ab215b8c39be9fe756e 100644 (file)
--- 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 8db554d54854405c2a280fe71f32babcea75fc3b..7e3c048ba9b1f1421d74435608924d77d36b50f4 100644 (file)
--- 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);