static void *c_start(struct seq_file *m, loff_t *pos)
{
- struct list_head *v;
- loff_t n = *pos;
-
down_read(&crypto_alg_sem);
- list_for_each(v, &crypto_alg_list)
- if (!n--)
- return list_entry(v, struct crypto_alg, cra_list);
- return NULL;
+ return seq_list_start(&crypto_alg_list, *pos);
}
static void *c_next(struct seq_file *m, void *p, loff_t *pos)
{
- struct list_head *v = p;
-
- (*pos)++;
- v = v->next;
- return (v == &crypto_alg_list) ?
- NULL : list_entry(v, struct crypto_alg, cra_list);
+ return seq_list_next(p, &crypto_alg_list, pos);
}
static void c_stop(struct seq_file *m, void *p)
static int c_show(struct seq_file *m, void *p)
{
- struct crypto_alg *alg = (struct crypto_alg *)p;
+ struct crypto_alg *alg = list_entry(p, struct crypto_alg, cra_list);
seq_printf(m, "name : %s\n", alg->cra_name);
seq_printf(m, "driver : %s\n", alg->cra_driver_name);
seq_printf(m, "type : compression\n");
break;
default:
- seq_printf(m, "type : unknown\n");
+ if (alg->cra_type && alg->cra_type->show)
+ alg->cra_type->show(m, alg);
+ else
+ seq_printf(m, "type : unknown\n");
break;
}
return seq_open(file, &crypto_seq_ops);
}
-static struct file_operations proc_crypto_ops = {
+static const struct file_operations proc_crypto_ops = {
.open = crypto_info_open,
.read = seq_read,
.llseek = seq_lseek,
if (proc)
proc->proc_fops = &proc_crypto_ops;
}
+
+void __exit crypto_exit_proc(void)
+{
+ remove_proc_entry("crypto", NULL);
+}