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author | Li Zefan <lizf@cn.fujitsu.com> | 2010-02-08 23:20:42 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2010-02-10 19:12:10 (GMT) |
commit | 4f134204f740d9fbf992843a6615175f5105f49e (patch) | |
tree | a70badf71b7d5b27a7cf28b20b24b8146e10694a /net/x25/x25_proc.c | |
parent | 27b5b8657a2aa761f76e45fa60c20b7bafc249dc (diff) | |
download | linux-fsl-qoriq-4f134204f740d9fbf992843a6615175f5105f49e.tar.xz |
net: x25: use seq_list_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/x25/x25_proc.c')
-rw-r--r-- | net/x25/x25_proc.c | 84 |
1 files changed, 8 insertions, 76 deletions
diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c index c4cd322..7ff3737 100644 --- a/net/x25/x25_proc.c +++ b/net/x25/x25_proc.c @@ -25,49 +25,17 @@ #include <net/x25.h> #ifdef CONFIG_PROC_FS -static __inline__ struct x25_route *x25_get_route_idx(loff_t pos) -{ - struct list_head *route_entry; - struct x25_route *rt = NULL; - - list_for_each(route_entry, &x25_route_list) { - rt = list_entry(route_entry, struct x25_route, node); - if (!pos--) - goto found; - } - rt = NULL; -found: - return rt; -} static void *x25_seq_route_start(struct seq_file *seq, loff_t *pos) __acquires(x25_route_list_lock) { - loff_t l = *pos; - read_lock_bh(&x25_route_list_lock); - return l ? x25_get_route_idx(--l) : SEQ_START_TOKEN; + return seq_list_start_head(&x25_route_list, *pos); } static void *x25_seq_route_next(struct seq_file *seq, void *v, loff_t *pos) { - struct x25_route *rt; - - ++*pos; - if (v == SEQ_START_TOKEN) { - rt = NULL; - if (!list_empty(&x25_route_list)) - rt = list_entry(x25_route_list.next, - struct x25_route, node); - goto out; - } - rt = v; - if (rt->node.next != &x25_route_list) - rt = list_entry(rt->node.next, struct x25_route, node); - else - rt = NULL; -out: - return rt; + return seq_list_next(v, &x25_route_list, pos); } static void x25_seq_route_stop(struct seq_file *seq, void *v) @@ -78,9 +46,9 @@ static void x25_seq_route_stop(struct seq_file *seq, void *v) static int x25_seq_route_show(struct seq_file *seq, void *v) { - struct x25_route *rt; + struct x25_route *rt = list_entry(v, struct x25_route, node); - if (v == SEQ_START_TOKEN) { + if (v == &x25_route_list) { seq_puts(seq, "Address Digits Device\n"); goto out; } @@ -146,51 +114,16 @@ out: return 0; } -static __inline__ struct x25_forward *x25_get_forward_idx(loff_t pos) -{ - struct x25_forward *f; - struct list_head *entry; - - list_for_each(entry, &x25_forward_list) { - f = list_entry(entry, struct x25_forward, node); - if (!pos--) - goto found; - } - - f = NULL; -found: - return f; -} - static void *x25_seq_forward_start(struct seq_file *seq, loff_t *pos) __acquires(x25_forward_list_lock) { - loff_t l = *pos; - read_lock_bh(&x25_forward_list_lock); - return l ? x25_get_forward_idx(--l) : SEQ_START_TOKEN; + return seq_list_start_head(&x25_forward_list, *pos); } static void *x25_seq_forward_next(struct seq_file *seq, void *v, loff_t *pos) { - struct x25_forward *f; - - ++*pos; - if (v == SEQ_START_TOKEN) { - f = NULL; - if (!list_empty(&x25_forward_list)) - f = list_entry(x25_forward_list.next, - struct x25_forward, node); - goto out; - } - f = v; - if (f->node.next != &x25_forward_list) - f = list_entry(f->node.next, struct x25_forward, node); - else - f = NULL; -out: - return f; - + return seq_list_next(v, &x25_forward_list, pos); } static void x25_seq_forward_stop(struct seq_file *seq, void *v) @@ -201,9 +134,9 @@ static void x25_seq_forward_stop(struct seq_file *seq, void *v) static int x25_seq_forward_show(struct seq_file *seq, void *v) { - struct x25_forward *f; + struct x25_forward *f = list_entry(v, struct x25_forward, node); - if (v == SEQ_START_TOKEN) { + if (v == &x25_forward_list) { seq_printf(seq, "lci dev1 dev2\n"); goto out; } @@ -212,7 +145,6 @@ static int x25_seq_forward_show(struct seq_file *seq, void *v) seq_printf(seq, "%d %-10s %-10s\n", f->lci, f->dev1->name, f->dev2->name); - out: return 0; } |