Mesa (master): mesa: Port a variant of 68afbe89c72d085dcbbf2b264f0201ab73fe339e to util/

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 7c99187c6a6144cb9fd9d77261c643257246ede7
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7c99187c6a6144cb9fd9d77261c643257246ede7

Author: Eric Anholt <eric at anholt.net>
Date:   Mon Jan 26 11:34:18 2015 -0800

mesa: Port a variant of 68afbe89c72d085dcbbf2b264f0201ab73fe339e to util/

The idea is that after a remove_from_list(), you might want to be able to
do a remove_from_list() on it again or an is_empty_list().  This is
apparently relied on by r300g.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/util/simple_list.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/src/util/simple_list.h b/src/util/simple_list.h
index 903432d..5f26161 100644
--- a/src/util/simple_list.h
+++ b/src/util/simple_list.h
@@ -55,6 +55,7 @@ struct simple_node {
 do {						\
    (elem)->next->prev = (elem)->prev;		\
    (elem)->prev->next = (elem)->next;		\
+   make_empty_list(elem);			\
 } while (0)
 
 /**