From: Pavel Emelianov This is essentially just a renaming of the existing functions as the seq_list_start() and seq_list_next() copies already exist in the input.c file. Now we have them in the generic place. Signed-off-by: Pavel Emelianov Cc: Dmitry Torokhov Signed-off-by: Andrew Morton --- drivers/input/input.c | 29 ++++------------------------- 1 files changed, 4 insertions(+), 25 deletions(-) diff -puN drivers/input/input.c~make-input-layer-use-seq_list_xxx-helpers drivers/input/input.c --- a/drivers/input/input.c~make-input-layer-use-seq_list_xxx-helpers +++ a/drivers/input/input.c @@ -471,37 +471,16 @@ static unsigned int input_proc_devices_p return 0; } -static struct list_head *list_get_nth_element(struct list_head *list, loff_t *pos) -{ - struct list_head *node; - loff_t i = 0; - - list_for_each(node, list) - if (i++ == *pos) - return node; - - return NULL; -} - -static struct list_head *list_get_next_element(struct list_head *list, struct list_head *element, loff_t *pos) -{ - if (element->next == list) - return NULL; - - ++(*pos); - return element->next; -} - static void *input_devices_seq_start(struct seq_file *seq, loff_t *pos) { /* acquire lock here ... Yes, we do need locking, I knowi, I know... */ - return list_get_nth_element(&input_dev_list, pos); + return seq_list_start(&input_dev_list, *pos); } static void *input_devices_seq_next(struct seq_file *seq, void *v, loff_t *pos) { - return list_get_next_element(&input_dev_list, v, pos); + return seq_list_next(v, &input_dev_list, pos); } static void input_devices_seq_stop(struct seq_file *seq, void *v) @@ -592,13 +571,13 @@ static void *input_handlers_seq_start(st { /* acquire lock here ... Yes, we do need locking, I knowi, I know... */ seq->private = (void *)(unsigned long)*pos; - return list_get_nth_element(&input_handler_list, pos); + return seq_list_start(&input_handler_list, *pos); } static void *input_handlers_seq_next(struct seq_file *seq, void *v, loff_t *pos) { seq->private = (void *)(unsigned long)(*pos + 1); - return list_get_next_element(&input_handler_list, v, pos); + return seq_list_next(v, &input_handler_list, pos); } static void input_handlers_seq_stop(struct seq_file *seq, void *v) _