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From: Emmanuel Vadot <manu@FreeBSD.org>
Date: Thu, 20 Feb 2020 17:19:16 +0000 (UTC)
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Subject: svn commit: r358176 - head/sys/compat/linuxkpi/common/include/linux
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Author: manu
Date: Thu Feb 20 17:19:16 2020
New Revision: 358176
URL: https://svnweb.freebsd.org/changeset/base/358176

Log:
  linuxkpi: Add list_is_first function
  
  This function just test if the element is the first of the list.
  
  Reviewed by:	hselasky
  MFC after:	1 week
  Differential Revision:	https://reviews.freebsd.org/D23766

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	Thu Feb 20 17:10:25 2020	(r358175)
+++ head/sys/compat/linuxkpi/common/include/linux/list.h	Thu Feb 20 17:19:16 2020	(r358176)
@@ -449,6 +449,13 @@ static inline void list_cut_position(struct list_head 
 		__list_cut_position(list, head, entry);
 }
 
+static inline int list_is_first(const struct list_head *list,
+				const struct list_head *head)
+{
+
+	return (list->prev == head);
+}
+
 static inline int list_is_last(const struct list_head *list,
 				const struct list_head *head)
 {