add __list_add() for 6.1.7 drm

diff --git a/sys/dev/pci/drm/include/linux/list.h b/sys/dev/pci/drm/include/linux/list.h
index b415974..a9d591d 100644 (file)
--- a/sys/dev/pci/drm/include/linux/list.h
+++ b/sys/dev/pci/drm/include/linux/list.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: list.h,v 1.6 2023/01/01 01:34:58 jsg Exp $    */
+/*     $OpenBSD: list.h,v 1.7 2023/01/18 23:47:25 jsg Exp $    */
 /* drm_linux_list.h -- linux list functions for the BSDs.
  * Created: Mon Apr 7 14:30:16 1999 by anholt@FreeBSD.org
  */
@@ -75,6 +75,16 @@ list_is_last(const struct list_head *list,
        return list->next == head;
 }
 
+static inline void
+__list_add(struct list_head *new, struct list_head *prev,
+    struct list_head *next)
+{
+       next->prev = new;
+       new->next = next;
+       new->prev = prev;
+       prev->next = new;
+}
+
 static inline void
 list_add(struct list_head *new, struct list_head *head) {
         (head)->next->prev = new;