netdev - [PATCH net-next 1/2] net: sched: sch

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Date:   Mon,  4 Dec 2017 18:39:59 -0500
From:   Alexander Aring <aring@...atatu.com>
To:     davem@...emloft.net
Cc:     jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
        netdev@...r.kernel.org, Alexander Aring <aring@...atatu.com>,
        David Ahern <dsahern@...il.com>
Subject: [PATCH net-next 1/2] net: sched: sch_api: fix code style issues

This patch fix checkpatch issues for upcomming patches according to the
sched api file. It changes checking on null pointer, remove unnecessary
brackets, add variable names for parameters and adjust 80 char width.

Cc: David Ahern <dsahern@...il.com>
Signed-off-by: Alexander Aring <aring@...atatu.com>
---
 include/net/sch_generic.h | 10 ++++++----
 net/sched/sch_api.c       | 11 ++++++-----
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 65d0d25f2648..d842bebef771 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -161,7 +161,8 @@ struct Qdisc_class_ops {
 	void			(*walk)(struct Qdisc *, struct qdisc_walker * arg);
 
 	/* Filter manipulation */
-	struct tcf_block *	(*tcf_block)(struct Qdisc *, unsigned long);
+	struct tcf_block *	(*tcf_block)(struct Qdisc *sch,
+					     unsigned long arg);
 	unsigned long		(*bind_tcf)(struct Qdisc *, unsigned long,
 					u32 classid);
 	void			(*unbind_tcf)(struct Qdisc *, unsigned long);
@@ -185,11 +186,12 @@ struct Qdisc_ops {
 	struct sk_buff *	(*dequeue)(struct Qdisc *);
 	struct sk_buff *	(*peek)(struct Qdisc *);
 
-	int			(*init)(struct Qdisc *, struct nlattr *arg);
+	int			(*init)(struct Qdisc *sch, struct nlattr *arg);
 	void			(*reset)(struct Qdisc *);
 	void			(*destroy)(struct Qdisc *);
-	int			(*change)(struct Qdisc *, struct nlattr *arg);
-	void			(*attach)(struct Qdisc *);
+	int			(*change)(struct Qdisc *sch,
+					  struct nlattr *arg);
+	void			(*attach)(struct Qdisc *sch);
 
 	int			(*dump)(struct Qdisc *, struct sk_buff *);
 	int			(*dump_stats)(struct Qdisc *, struct gnet_dump *);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index b6c4f536876b..8f7f5378cc33 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1020,7 +1020,7 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
 #endif
 
 	err = -ENOENT;
-	if (ops == NULL)
+	if (!ops)
 		goto err_out;
 
 	sch = qdisc_alloc(dev_queue, ops);
@@ -1087,7 +1087,7 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
 			if (sch->flags & TCQ_F_MQROOT)
 				goto err_out4;
 
-			if ((sch->parent != TC_H_ROOT) &&
+			if (sch->parent != TC_H_ROOT &&
 			    !(sch->flags & TCQ_F_INGRESS) &&
 			    (!p || !(p->flags & TCQ_F_MQROOT)))
 				running = qdisc_root_sleeping_running(sch);
@@ -1139,7 +1139,7 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
 	int err = 0;
 
 	if (tca[TCA_OPTIONS]) {
-		if (sch->ops->change == NULL)
+		if (!sch->ops->change)
 			return -EINVAL;
 		err = sch->ops->change(sch, tca[TCA_OPTIONS]);
 		if (err)
@@ -1344,7 +1344,8 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n,
 					goto create_n_graft;
 				if (n->nlmsg_flags & NLM_F_EXCL)
 					return -EEXIST;
-				if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], q->ops->id))
+				if (tca[TCA_KIND] &&
+				    nla_strcmp(tca[TCA_KIND], q->ops->id))
 					return -EINVAL;
 				if (q == p ||
 				    (p && check_loop(q, p, 0)))
@@ -1389,7 +1390,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n,
 	}
 
 	/* Change qdisc parameters */
-	if (q == NULL)
+	if (!q)
 		return -ENOENT;
 	if (n->nlmsg_flags & NLM_F_EXCL)
 		return -EEXIST;
-- 
2.11.0