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| author | Li Zefan <lizf@cn.fujitsu.com> | 2010-02-08 23:19:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-10 11:12:09 -0800 |
| commit | b512f3d841370aedee9a2c24a14a0ab5fc0a02b2 (patch) | |
| tree | ae6ade49fac29bcec19bec890fa78ce9d70d74ec /net/ax25/ax25_uid.c | |
| parent | 90dd7f5ace558314fa431ae0f59388ed3e5c7695 (diff) | |
| download | lwn-b512f3d841370aedee9a2c24a14a0ab5fc0a02b2.tar.gz lwn-b512f3d841370aedee9a2c24a14a0ab5fc0a02b2.zip | |
net: ax25: 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/ax25/ax25_uid.c')
| -rw-r--r-- | net/ax25/ax25_uid.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c index 832bcf092a01..9f13f6eefcba 100644 --- a/net/ax25/ax25_uid.c +++ b/net/ax25/ax25_uid.c @@ -146,31 +146,13 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax) static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos) __acquires(ax25_uid_lock) { - struct ax25_uid_assoc *pt; - struct hlist_node *node; - int i = 1; - read_lock(&ax25_uid_lock); - - if (*pos == 0) - return SEQ_START_TOKEN; - - ax25_uid_for_each(pt, node, &ax25_uid_list) { - if (i == *pos) - return pt; - ++i; - } - return NULL; + return seq_hlist_start_head(&ax25_uid_list, *pos); } static void *ax25_uid_seq_next(struct seq_file *seq, void *v, loff_t *pos) { - ++*pos; - if (v == SEQ_START_TOKEN) - return ax25_uid_list.first; - else - return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next, - ax25_uid_assoc, uid_node); + return seq_hlist_next(v, &ax25_uid_list, pos); } static void ax25_uid_seq_stop(struct seq_file *seq, void *v) @@ -186,8 +168,9 @@ static int ax25_uid_seq_show(struct seq_file *seq, void *v) if (v == SEQ_START_TOKEN) seq_printf(seq, "Policy: %d\n", ax25_uid_policy); else { - struct ax25_uid_assoc *pt = v; + struct ax25_uid_assoc *pt; + pt = hlist_entry(v, struct ax25_uid_assoc, uid_node); seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(buf, &pt->call)); } return 0; |