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authorLi Zefan <lizf@cn.fujitsu.com>2010-02-08 23:19:29 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-10 11:12:08 -0800
commitb7ceabd9b528417973619c5b655bc5b21857ac36 (patch)
treec253a00794dc2078f03eb2690c0a99e020596395 /net
parentb999748acce739675a5e9420f21e54b8cbad9d81 (diff)
downloadvexpress-lsk-b7ceabd9b528417973619c5b655bc5b21857ac36.tar.gz
net: packet: use seq_hlist_foo() helpers
Simplify seq_file code. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/packet/af_packet.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 6ecb426bc0c..10f7295bcef 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,