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Input: switch to using seq_list_xxx helpers
This is essentially just a renaming of the existing functions as copies of seq_list_start() and seq_list_next() already existed in the input.c. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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parent
080c652d6d
commit
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1 changed files with 4 additions and 25 deletions
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@ -471,37 +471,16 @@ static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait)
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return 0;
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}
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static struct list_head *list_get_nth_element(struct list_head *list, loff_t *pos)
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{
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struct list_head *node;
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loff_t i = 0;
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list_for_each(node, list)
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if (i++ == *pos)
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return node;
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return NULL;
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}
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static struct list_head *list_get_next_element(struct list_head *list, struct list_head *element, loff_t *pos)
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{
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if (element->next == list)
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return NULL;
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++(*pos);
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return element->next;
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}
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static void *input_devices_seq_start(struct seq_file *seq, loff_t *pos)
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{
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/* acquire lock here ... Yes, we do need locking, I knowi, I know... */
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return list_get_nth_element(&input_dev_list, pos);
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return seq_list_start(&input_dev_list, *pos);
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}
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static void *input_devices_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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return list_get_next_element(&input_dev_list, v, pos);
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return seq_list_next(v, &input_dev_list, pos);
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}
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static void input_devices_seq_stop(struct seq_file *seq, void *v)
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@ -592,13 +571,13 @@ static void *input_handlers_seq_start(struct seq_file *seq, loff_t *pos)
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{
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/* acquire lock here ... Yes, we do need locking, I knowi, I know... */
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seq->private = (void *)(unsigned long)*pos;
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return list_get_nth_element(&input_handler_list, pos);
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return seq_list_start(&input_handler_list, *pos);
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}
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static void *input_handlers_seq_next(struct seq_file *seq, void *v, loff_t *pos)
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{
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seq->private = (void *)(unsigned long)(*pos + 1);
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return list_get_next_element(&input_handler_list, v, pos);
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return seq_list_next(v, &input_handler_list, pos);
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}
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static void input_handlers_seq_stop(struct seq_file *seq, void *v)
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