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>
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90dd7f5ace
Коммит
b512f3d841
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@ -1863,25 +1863,13 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
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static void *ax25_info_start(struct seq_file *seq, loff_t *pos)
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__acquires(ax25_list_lock)
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{
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struct ax25_cb *ax25;
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struct hlist_node *node;
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int i = 0;
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spin_lock_bh(&ax25_list_lock);
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ax25_for_each(ax25, node, &ax25_list) {
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if (i == *pos)
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return ax25;
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++i;
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}
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return NULL;
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return seq_hlist_start(&ax25_list, *pos);
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}
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static void *ax25_info_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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++*pos;
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return hlist_entry( ((struct ax25_cb *)v)->ax25_node.next,
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struct ax25_cb, ax25_node);
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return seq_hlist_next(v, &ax25_list, pos);
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}
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static void ax25_info_stop(struct seq_file *seq, void *v)
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@ -1892,7 +1880,7 @@ static void ax25_info_stop(struct seq_file *seq, void *v)
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static int ax25_info_show(struct seq_file *seq, void *v)
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{
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ax25_cb *ax25 = v;
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ax25_cb *ax25 = hlist_entry(v, struct ax25_cb, ax25_node);
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char buf[11];
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int k;
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@ -146,31 +146,13 @@ int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
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static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
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__acquires(ax25_uid_lock)
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{
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struct ax25_uid_assoc *pt;
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struct hlist_node *node;
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int i = 1;
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read_lock(&ax25_uid_lock);
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if (*pos == 0)
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return SEQ_START_TOKEN;
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ax25_uid_for_each(pt, node, &ax25_uid_list) {
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if (i == *pos)
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return pt;
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++i;
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}
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return NULL;
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return seq_hlist_start_head(&ax25_uid_list, *pos);
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}
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static void *ax25_uid_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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++*pos;
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if (v == SEQ_START_TOKEN)
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return ax25_uid_list.first;
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else
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return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next,
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ax25_uid_assoc, uid_node);
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return seq_hlist_next(v, &ax25_uid_list, pos);
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}
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static void ax25_uid_seq_stop(struct seq_file *seq, void *v)
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@ -186,8 +168,9 @@ static int ax25_uid_seq_show(struct seq_file *seq, void *v)
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if (v == SEQ_START_TOKEN)
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seq_printf(seq, "Policy: %d\n", ax25_uid_policy);
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else {
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struct ax25_uid_assoc *pt = v;
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struct ax25_uid_assoc *pt;
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pt = hlist_entry(v, struct ax25_uid_assoc, uid_node);
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seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(buf, &pt->call));
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}
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return 0;
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