svn commit: r329584 - head/sys/compat/linuxkpi/common/include/linux

[Hans Petter Selasky]

Author: hselasky
Date: Mon Feb 19 16:31:19 2018
New Revision: 329584
URL: https://svnweb.freebsd.org/changeset/base/329584

Log:
  Implement list_safe_reset_next() function macro in the LinuxKPI.
  
  MFC after:	1 week
  Submitted by:	Johannes Lundberg <johalun0 at gmail.com>
  Sponsored by:	Mellanox Technologies
  Sponsored by:	Limelight Networks

Modified:
  head/sys/compat/linuxkpi/common/include/linux/list.h

Modified: head/sys/compat/linuxkpi/common/include/linux/list.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/list.h	Mon Feb 19 16:25:43 2018	(r329583)
+++ head/sys/compat/linuxkpi/common/include/linux/list.h	Mon Feb 19 16:31:19 2018	(r329584)
@@ -179,6 +179,9 @@ list_del_init(struct list_head *entry)
 #define	list_next_entry(ptr, member)					\
 	list_entry(((ptr)->member.next), typeof(*(ptr)), member)
 
+#define	list_safe_reset_next(ptr, n, member) \
+	(n) = list_next_entry(ptr, member)
+
 #define	list_prev_entry(ptr, member)					\
 	list_entry(((ptr)->member.prev), typeof(*(ptr)), member)