From 67de792420be2daa1c6fec07ec8552af9ea0bde3 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Mon, 8 Feb 2010 23:21:51 +0000 Subject: net: atm: use seq_list_foo() helpers Simplify seq_file code. Signed-off-by: Li Zefan Signed-off-by: David S. Miller --- net/atm/proc.c | 2 +- net/atm/resources.c | 18 ++---------------- 2 files changed, 3 insertions(+), 17 deletions(-) (limited to 'net/atm') diff --git a/net/atm/proc.c b/net/atm/proc.c index 476779d845eb..7a96b2376bd7 100644 --- a/net/atm/proc.c +++ b/net/atm/proc.c @@ -238,7 +238,7 @@ static int atm_dev_seq_show(struct seq_file *seq, void *v) "Itf Type ESI/\"MAC\"addr " "AAL(TX,err,RX,err,drop) ... [refcnt]\n"; - if (v == SEQ_START_TOKEN) + if (v == &atm_devs) seq_puts(seq, atm_dev_banner); else { struct atm_dev *dev = list_entry(v, struct atm_dev, dev_list); diff --git a/net/atm/resources.c b/net/atm/resources.c index 447ed89205d8..90082904f20d 100644 --- a/net/atm/resources.c +++ b/net/atm/resources.c @@ -444,21 +444,10 @@ done: return error; } -static inline void *dev_get_idx(loff_t left) -{ - struct list_head *p; - - list_for_each(p, &atm_devs) { - if (!--left) - break; - } - return (p != &atm_devs) ? p : NULL; -} - void *atm_dev_seq_start(struct seq_file *seq, loff_t *pos) { mutex_lock(&atm_dev_mutex); - return *pos ? dev_get_idx(*pos) : SEQ_START_TOKEN; + return seq_list_start_head(&atm_devs, *pos); } void atm_dev_seq_stop(struct seq_file *seq, void *v) @@ -468,8 +457,5 @@ void atm_dev_seq_stop(struct seq_file *seq, void *v) void *atm_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos) { - ++*pos; - v = (v == SEQ_START_TOKEN) - ? atm_devs.next : ((struct list_head *)v)->next; - return (v == &atm_devs) ? NULL : v; + return seq_list_next(v, &atm_devs, pos); } -- cgit v1.2.3