svn commit: r261666 - stable/9/sys/dev/drm2

[Jean-Sebastien Pedron]

Author: dumbbell
Date: Sun Feb  9 16:07:24 2014
New Revision: 261666
URL: http://svnweb.freebsd.org/changeset/base/261666

Log:
  MFC r254841:
  
  drm: Import list_for_each_entry_safe_from() macro

Modified:
  stable/9/sys/dev/drm2/drm_linux_list.h
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/dev/   (props changed)

Modified: stable/9/sys/dev/drm2/drm_linux_list.h
==============================================================================
--- stable/9/sys/dev/drm2/drm_linux_list.h	Sun Feb  9 16:01:18 2014	(r261665)
+++ stable/9/sys/dev/drm2/drm_linux_list.h	Sun Feb  9 16:07:24 2014	(r261666)
@@ -144,6 +144,11 @@ list_del_init(struct list_head *entry) {
 	    &pos->member != (head);					\
 	    pos = n, n = list_entry(n->member.next, __typeof(*n), member))
 
+#define list_for_each_entry_safe_from(pos, n, head, member) 			\
+	for (n = list_entry(pos->member.next, __typeof(*pos), member);		\
+	     &pos->member != (head);						\
+	     pos = n, n = list_entry(n->member.next, __typeof(*n), member))
+
 #define list_first_entry(ptr, type, member) \
 	list_entry((ptr)->next, type, member)