Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 12:00:08 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/include/linux: rbtree.h

Log Message:
linux: Fix rb tree iteration.


To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/external/bsd/drm2/include/linux/rbtree.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/external/bsd/drm2/include/linux/rbtree.h
diff -u src/sys/external/bsd/drm2/include/linux/rbtree.h:1.14 src/sys/external/bsd/drm2/include/linux/rbtree.h:1.15
--- src/sys/external/bsd/drm2/include/linux/rbtree.h:1.14	Sun Dec 19 11:45:41 2021
+++ src/sys/external/bsd/drm2/include/linux/rbtree.h	Sun Dec 19 12:00:08 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: rbtree.h,v 1.14 2021/12/19 11:45:41 riastradh Exp $	*/
+/*	$NetBSD: rbtree.h,v 1.15 2021/12/19 12:00:08 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -87,7 +87,10 @@ rb_next2(const struct rb_root *root, con
 	char *vnode = (char *)__UNCONST(rbnode);
 
 	vnode -= root->rbr_tree.rbt_ops->rbto_node_offset;
-	return RB_TREE_NEXT(__UNCONST(&root->rbr_tree), vnode);
+	vnode = RB_TREE_NEXT(__UNCONST(&root->rbr_tree), vnode);
+	if (vnode)
+		vnode += root->rbr_tree.rbt_ops->rbto_node_offset;
+	return (struct rb_node *)vnode;
 }
 
 static inline struct rb_node *

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