From b7ceabd9b528417973619c5b655bc5b21857ac36 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Mon, 8 Feb 2010 23:19:29 +0000 Subject: [PATCH] net: packet: use seq_hlist_foo() helpers Simplify seq_file code. Signed-off-by: Li Zefan Signed-off-by: David S. Miller --- net/packet/af_packet.c | 20 +++----------------- 1 file changed, 3 insertions(+), 17 deletions(-) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 6ecb426bc0cf..10f7295bcefb 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2510,33 +2510,19 @@ static struct notifier_block packet_netdev_notifier = { }; #ifdef CONFIG_PROC_FS -static inline struct sock *packet_seq_idx(struct net *net, loff_t off) -{ - struct sock *s; - struct hlist_node *node; - - sk_for_each(s, node, &net->packet.sklist) { - if (!off--) - return s; - } - return NULL; -} static void *packet_seq_start(struct seq_file *seq, loff_t *pos) __acquires(seq_file_net(seq)->packet.sklist_lock) { struct net *net = seq_file_net(seq); read_lock(&net->packet.sklist_lock); - return *pos ? packet_seq_idx(net, *pos - 1) : SEQ_START_TOKEN; + return seq_hlist_start_head(&net->packet.sklist, *pos); } static void *packet_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct net *net = seq_file_net(seq); - ++*pos; - return (v == SEQ_START_TOKEN) - ? sk_head(&net->packet.sklist) - : sk_next((struct sock *)v) ; + return seq_hlist_next(v, &net->packet.sklist, pos); } static void packet_seq_stop(struct seq_file *seq, void *v) @@ -2551,7 +2537,7 @@ static int packet_seq_show(struct seq_file *seq, void *v) if (v == SEQ_START_TOKEN) seq_puts(seq, "sk RefCnt Type Proto Iface R Rmem User Inode\n"); else { - struct sock *s = v; + struct sock *s = sk_entry(v); const struct packet_sock *po = pkt_sk(s); seq_printf(seq, -- 2.30.2