[PATCH net-next 1/8] net: sched: cls: fix code style issues

[Alexander Aring <aring@mojatatu.com>]

This patch changes some code style issues pointed out by checkpatch
inside the TC cls subsystem.

Signed-off-by: Alexander Aring <aring@mojatatu.com>
---
 include/net/sch_generic.h | 3 ++-
 net/sched/cls_api.c       | 2 +-
 net/sched/cls_matchall.c  | 2 +-
 net/sched/cls_u32.c       | 8 ++++----
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index ac029d5d88e4..b6ca86a8caeb 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -233,7 +233,8 @@ struct tcf_proto_ops {
 					struct tcf_proto*, unsigned long,
 					u32 handle, struct nlattr **,
 					void **, bool);
-	int			(*delete)(struct tcf_proto*, void *, bool*);
+	int			(*delete)(struct tcf_proto *tp, void *arg,
+					  bool *last);
 	void			(*walk)(struct tcf_proto*, struct tcf_walker *arg);
 	void			(*bind_class)(void *, u32, unsigned long);
 
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 6708b6953bfa..01d09055707d 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -780,7 +780,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
 		parent = q->handle;
 	} else {
 		q = qdisc_lookup(dev, TC_H_MAJ(t->tcm_parent));
-		if (q == NULL)
+		if (!q)
 			return -EINVAL;
 	}
 
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index 66d4e0099158..634114111adf 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -202,7 +202,7 @@ static int mall_change(struct net *net, struct sk_buff *in_skb,
 		goto err_set_parms;
 
 	if (!tc_skip_hw(new->flags)) {
-		err = mall_replace_hw_filter(tp, new, (unsigned long) new);
+		err = mall_replace_hw_filter(tp, new, (unsigned long)new);
 		if (err)
 			goto err_replace_hw_filter;
 	}
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 507859cdd1cb..2e1b4580f798 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -782,7 +782,7 @@ static int u32_set_parms(struct net *net, struct tcf_proto *tp,
 		if (handle) {
 			ht_down = u32_lookup_ht(ht->tp_c, handle);
 
-			if (ht_down == NULL)
+			if (!ht_down)
 				return -EINVAL;
 			ht_down->refcnt++;
 		}
@@ -906,7 +906,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
 	size_t size;
 #endif
 
-	if (opt == NULL)
+	if (!opt)
 		return handle ? -EINVAL : 0;
 
 	err = nla_parse_nested(tb, TCA_U32_MAX, opt, u32_policy, NULL);
@@ -1010,7 +1010,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
 			htid = ht->handle;
 		} else {
 			ht = u32_lookup_ht(tp->data, TC_U32_HTID(htid));
-			if (ht == NULL)
+			if (!ht)
 				return -EINVAL;
 		}
 	} else {
@@ -1022,7 +1022,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
 		return -EINVAL;
 
 	if (handle) {
-		if (TC_U32_HTID(handle) && TC_U32_HTID(handle^htid))
+		if (TC_U32_HTID(handle) && TC_U32_HTID(handle ^ htid))
 			return -EINVAL;
 		handle = htid | TC_U32_NODE(handle);
 		err = idr_alloc_ext(&ht->handle_idr, NULL, NULL,
-- 
2.11.0