From 27b5b8657a2aa761f76e45fa60c20b7bafc249dc Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Mon, 8 Feb 2010 23:20:29 +0000 Subject: [PATCH] net: af_key: use seq_hlist_foo() helpers Simplify seq_file code. Signed-off-by: Li Zefan Signed-off-by: David S. Miller --- net/key/af_key.c | 20 +++----------------- 1 file changed, 3 insertions(+), 17 deletions(-) diff --git a/net/key/af_key.c b/net/key/af_key.c index 41dd2cb07ef3..79d2c0f3c334 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -3654,9 +3654,8 @@ static const struct net_proto_family pfkey_family_ops = { #ifdef CONFIG_PROC_FS static int pfkey_seq_show(struct seq_file *f, void *v) { - struct sock *s; + struct sock *s = sk_entry(v); - s = (struct sock *)v; if (v == SEQ_START_TOKEN) seq_printf(f ,"sk RefCnt Rmem Wmem User Inode\n"); else @@ -3675,19 +3674,9 @@ static void *pfkey_seq_start(struct seq_file *f, loff_t *ppos) { struct net *net = seq_file_net(f); struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); - struct sock *s; - struct hlist_node *node; - loff_t pos = *ppos; read_lock(&pfkey_table_lock); - if (pos == 0) - return SEQ_START_TOKEN; - - sk_for_each(s, node, &net_pfkey->table) - if (pos-- == 1) - return s; - - return NULL; + return seq_hlist_start_head(&net_pfkey->table, *ppos); } static void *pfkey_seq_next(struct seq_file *f, void *v, loff_t *ppos) @@ -3695,10 +3684,7 @@ static void *pfkey_seq_next(struct seq_file *f, void *v, loff_t *ppos) struct net *net = seq_file_net(f); struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); - ++*ppos; - return (v == SEQ_START_TOKEN) ? - sk_head(&net_pfkey->table) : - sk_next((struct sock *)v); + return seq_hlist_next(v, &net_pfkey->table, ppos); } static void pfkey_seq_stop(struct seq_file *f, void *v) -- 2.20.1