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| author | Li Zefan <lizf@cn.fujitsu.com> | 2010-02-08 23:19:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-10 11:12:08 -0800 |
| commit | 90dd7f5ace558314fa431ae0f59388ed3e5c7695 (patch) | |
| tree | fc8d5e1d37f194c038fc03d2cf1914612b2ec3ec /net/netrom/nr_route.c | |
| parent | b7ceabd9b528417973619c5b655bc5b21857ac36 (diff) | |
| download | linux-90dd7f5ace558314fa431ae0f59388ed3e5c7695.tar.gz linux-90dd7f5ace558314fa431ae0f59388ed3e5c7695.tar.bz2 linux-90dd7f5ace558314fa431ae0f59388ed3e5c7695.zip | |
net: netrom: 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/netrom/nr_route.c')
| -rw-r--r-- | net/netrom/nr_route.c | 53 |
1 files changed, 9 insertions, 44 deletions
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index e2e2d33cafdf..5cc648012f50 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -863,33 +863,13 @@ int nr_route_frame(struct sk_buff *skb, ax25_cb *ax25) static void *nr_node_start(struct seq_file *seq, loff_t *pos) { - struct nr_node *nr_node; - struct hlist_node *node; - int i = 1; - spin_lock_bh(&nr_node_list_lock); - if (*pos == 0) - return SEQ_START_TOKEN; - - nr_node_for_each(nr_node, node, &nr_node_list) { - if (i == *pos) - return nr_node; - ++i; - } - - return NULL; + return seq_hlist_start_head(&nr_node_list, *pos); } static void *nr_node_next(struct seq_file *seq, void *v, loff_t *pos) { - struct hlist_node *node; - ++*pos; - - node = (v == SEQ_START_TOKEN) - ? nr_node_list.first - : ((struct nr_node *)v)->node_node.next; - - return hlist_entry(node, struct nr_node, node_node); + return seq_hlist_next(v, &nr_node_list, pos); } static void nr_node_stop(struct seq_file *seq, void *v) @@ -906,7 +886,9 @@ static int nr_node_show(struct seq_file *seq, void *v) seq_puts(seq, "callsign mnemonic w n qual obs neigh qual obs neigh qual obs neigh\n"); else { - struct nr_node *nr_node = v; + struct nr_node *nr_node = hlist_entry(v, struct nr_node, + node_node); + nr_node_lock(nr_node); seq_printf(seq, "%-9s %-7s %d %d", ax2asc(buf, &nr_node->callsign), @@ -949,31 +931,13 @@ const struct file_operations nr_nodes_fops = { static void *nr_neigh_start(struct seq_file *seq, loff_t *pos) { - struct nr_neigh *nr_neigh; - struct hlist_node *node; - int i = 1; - spin_lock_bh(&nr_neigh_list_lock); - if (*pos == 0) - return SEQ_START_TOKEN; - - nr_neigh_for_each(nr_neigh, node, &nr_neigh_list) { - if (i == *pos) - return nr_neigh; - } - return NULL; + return seq_hlist_start_head(&nr_neigh_list, *pos); } static void *nr_neigh_next(struct seq_file *seq, void *v, loff_t *pos) { - struct hlist_node *node; - ++*pos; - - node = (v == SEQ_START_TOKEN) - ? nr_neigh_list.first - : ((struct nr_neigh *)v)->neigh_node.next; - - return hlist_entry(node, struct nr_neigh, neigh_node); + return seq_hlist_next(v, &nr_neigh_list, pos); } static void nr_neigh_stop(struct seq_file *seq, void *v) @@ -989,8 +953,9 @@ static int nr_neigh_show(struct seq_file *seq, void *v) if (v == SEQ_START_TOKEN) seq_puts(seq, "addr callsign dev qual lock count failed digipeaters\n"); else { - struct nr_neigh *nr_neigh = v; + struct nr_neigh *nr_neigh; + nr_neigh = hlist_entry(v, struct nr_neigh, neigh_node); seq_printf(seq, "%05d %-9s %-4s %3d %d %3d %3d", nr_neigh->number, ax2asc(buf, &nr_neigh->callsign), |