From a0bffffc148cd8e75a48a89ad2ddb74e4081a20a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 21 Mar 2009 13:36:17 -0700 Subject: [PATCH] net/*: use linux/kernel.h swap() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit tcp_sack_swap seems unnecessary so I pushed swap to the caller. Also removed comment that seemed then pointless, and added include when not already there. Compile tested. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/decnet/dn_route.c | 6 +----- net/ipv4/tcp_input.c | 23 +++-------------------- net/ipv6/addrconf.c | 7 ++----- net/sched/sch_tbf.c | 9 ++------- 4 files changed, 8 insertions(+), 37 deletions(-) diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 5130dee..0cc4394 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -380,7 +380,6 @@ static int dn_return_short(struct sk_buff *skb) unsigned char *ptr; __le16 *src; __le16 *dst; - __le16 tmp; /* Add back headers */ skb_push(skb, skb->data - skb_network_header(skb)); @@ -399,10 +398,7 @@ static int dn_return_short(struct sk_buff *skb) ptr += 2; *ptr = 0; /* Zero hop count */ - /* Swap source and destination */ - tmp = *src; - *src = *dst; - *dst = tmp; + swap(*src, *dst); skb->pkt_type = PACKET_OUTGOING; dn_rt_finish_output(skb, NULL, NULL); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index fae78e3..8ac82b3 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -64,6 +64,7 @@ #include #include #include +#include #include #include #include @@ -1802,11 +1803,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, for (i = used_sacks - 1; i > 0; i--) { for (j = 0; j < i; j++) { if (after(sp[j].start_seq, sp[j + 1].start_seq)) { - struct tcp_sack_block tmp; - - tmp = sp[j]; - sp[j] = sp[j + 1]; - sp[j + 1] = tmp; + swap(sp[j], sp[j + 1]); /* Track where the first SACK block goes to */ if (j == first_sack_index) @@ -4156,20 +4153,6 @@ static void tcp_sack_maybe_coalesce(struct tcp_sock *tp) } } -static inline void tcp_sack_swap(struct tcp_sack_block *sack1, - struct tcp_sack_block *sack2) -{ - __u32 tmp; - - tmp = sack1->start_seq; - sack1->start_seq = sack2->start_seq; - sack2->start_seq = tmp; - - tmp = sack1->end_seq; - sack1->end_seq = sack2->end_seq; - sack2->end_seq = tmp; -} - static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq) { struct tcp_sock *tp = tcp_sk(sk); @@ -4184,7 +4167,7 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq) if (tcp_sack_extend(sp, seq, end_seq)) { /* Rotate this_sack to the first one. */ for (; this_sack > 0; this_sack--, sp--) - tcp_sack_swap(sp, sp - 1); + swap(*sp, *(sp - 1)); if (cur_sacks > 1) tcp_sack_maybe_coalesce(tp); return; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 717584b..8499da9 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -40,6 +40,7 @@ #include #include +#include #include #include #include @@ -1215,16 +1216,12 @@ int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev, } break; } else if (minihiscore < miniscore) { - struct ipv6_saddr_score *tmp; - if (hiscore->ifa) in6_ifa_put(hiscore->ifa); in6_ifa_hold(score->ifa); - tmp = hiscore; - hiscore = score; - score = tmp; + swap(hiscore, score); /* restore our iterator */ score->ifa = hiscore->ifa; diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index a2f93c0..e22dfe8 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -236,7 +236,6 @@ static int tbf_change(struct Qdisc* sch, struct nlattr *opt) struct tc_tbf_qopt *qopt; struct qdisc_rate_table *rtab = NULL; struct qdisc_rate_table *ptab = NULL; - struct qdisc_rate_table *tmp; struct Qdisc *child = NULL; int max_size,n; @@ -295,13 +294,9 @@ static int tbf_change(struct Qdisc* sch, struct nlattr *opt) q->tokens = q->buffer; q->ptokens = q->mtu; - tmp = q->R_tab; - q->R_tab = rtab; - rtab = tmp; + swap(q->R_tab, rtab); + swap(q->P_tab, ptab); - tmp = q->P_tab; - q->P_tab = ptab; - ptab = tmp; sch_tree_unlock(sch); err = 0; done: -- 2.7.4