sysctl: Factor out insert_header and erase_header (8425d6aa) · Commits · e / devices / android_kernel_teracube_2e

fs/proc/proc_sysctl.c

+13 −3

Original line number	Diff line number	Diff line
		@@ -57,6 +57,17 @@ static void init_header(struct ctl_table_header *head,
		head->parent = NULL;
		}

		static void erase_header(struct ctl_table_header *head)
		{
		list_del_init(&head->ctl_entry);
		}

		static void insert_header(struct ctl_table_header *header)
		{
		header->parent->count++;
		list_add_tail(&header->ctl_entry, &header->set->list);
		}

		/* called under sysctl_lock */
		static int use_table(struct ctl_table_header *p)
		{
		@@ -96,7 +107,7 @@ static void start_unregistering(struct ctl_table_header *p)
		* do not remove from the list until nobody holds it; walking the
		* list in do_sysctl() relies on that.
		*/
		list_del_init(&p->ctl_entry);
		erase_header(p);
		}

		static void sysctl_head_get(struct ctl_table_header *head)
		@@ -974,8 +985,7 @@ struct ctl_table_header *__register_sysctl_table(
		}
		if (sysctl_check_dups(namespaces, header, path, table))
		goto fail_locked;
		header->parent->count++;
		list_add_tail(&header->ctl_entry, &header->set->list);
		insert_header(header);
		spin_unlock(&sysctl_lock);

		return header;