sch_netem: change some func's param from "struct Qdisc *" to "struct netem_sched_data *"

In netem_change(), we have already get "struct netem_sched_data *q".
Replace params of get_correlation() and other similar functions with
"struct netem_sched_data *q".

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 15 deletions

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index b341943555a9..4a5eb2841351 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -689,9 +689,8 @@ static int get_dist_table(struct Qdisc *sch, const struct nlattr *attr)
         return 0;
 }
 
-static void get_correlation(struct Qdisc *sch, const struct nlattr *attr)
+static void get_correlation(struct netem_sched_data *q, const struct nlattr *attr)
 {
-        struct netem_sched_data *q = qdisc_priv(sch);
         const struct tc_netem_corr *c = nla_data(attr);
 
         init_crandom(&q->delay_cor, c->delay_corr);
@@ -699,27 +698,24 @@ static void get_correlation(struct Qdisc *sch, const struct nlattr *attr)
         init_crandom(&q->dup_cor, c->dup_corr);
 }
 
-static void get_reorder(struct Qdisc *sch, const struct nlattr *attr)
+static void get_reorder(struct netem_sched_data *q, const struct nlattr *attr)
 {
-        struct netem_sched_data *q = qdisc_priv(sch);
         const struct tc_netem_reorder *r = nla_data(attr);
 
         q->reorder = r->probability;
         init_crandom(&q->reorder_cor, r->correlation);
 }
 
-static void get_corrupt(struct Qdisc *sch, const struct nlattr *attr)
+static void get_corrupt(struct netem_sched_data *q, const struct nlattr *attr)
 {
-        struct netem_sched_data *q = qdisc_priv(sch);
         const struct tc_netem_corrupt *r = nla_data(attr);
 
         q->corrupt = r->probability;
         init_crandom(&q->corrupt_cor, r->correlation);
 }
 
-static void get_rate(struct Qdisc *sch, const struct nlattr *attr)
+static void get_rate(struct netem_sched_data *q, const struct nlattr *attr)
 {
-        struct netem_sched_data *q = qdisc_priv(sch);
         const struct tc_netem_rate *r = nla_data(attr);
 
         q->rate = r->rate;
@@ -732,9 +728,8 @@ static void get_rate(struct Qdisc *sch, const struct nlattr *attr)
                 q->cell_size_reciprocal = (struct reciprocal_value) { 0 };
 }
 
-static int get_loss_clg(struct Qdisc *sch, const struct nlattr *attr)
+static int get_loss_clg(struct netem_sched_data *q, const struct nlattr *attr)
 {
-        struct netem_sched_data *q = qdisc_priv(sch);
         const struct nlattr *la;
         int rem;
 
@@ -838,7 +833,7 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt)
         old_loss_model = q->loss_model;
 
         if (tb[TCA_NETEM_LOSS]) {
-                ret = get_loss_clg(sch, tb[TCA_NETEM_LOSS]);
+                ret = get_loss_clg(q, tb[TCA_NETEM_LOSS]);
                 if (ret) {
                         q->loss_model = old_loss_model;
                         return ret;
@@ -877,16 +872,16 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt)
                 q->reorder = ~0;
 
         if (tb[TCA_NETEM_CORR])
-                get_correlation(sch, tb[TCA_NETEM_CORR]);
+                get_correlation(q, tb[TCA_NETEM_CORR]);
 
         if (tb[TCA_NETEM_REORDER])
-                get_reorder(sch, tb[TCA_NETEM_REORDER]);
+                get_reorder(q, tb[TCA_NETEM_REORDER]);
 
         if (tb[TCA_NETEM_CORRUPT])
-                get_corrupt(sch, tb[TCA_NETEM_CORRUPT]);
+                get_corrupt(q, tb[TCA_NETEM_CORRUPT]);
 
         if (tb[TCA_NETEM_RATE])
-                get_rate(sch, tb[TCA_NETEM_RATE]);
+                get_rate(q, tb[TCA_NETEM_RATE]);
 
         if (tb[TCA_NETEM_RATE64])
                 q->rate = max_t(u64, q->rate,