[PATCH 1/3] list: add list_last_entry function
Sascha Hauer
s.hauer at pengutronix.de
Wed Feb 15 03:10:48 EST 2012
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
include/linux/list.h | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/linux/list.h b/include/linux/list.h
index 1a4cbc4..15ed499 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -272,6 +272,17 @@ static inline void list_splice_init(struct list_head *list,
list_entry((ptr)->next, type, member)
/**
+ * list_last_entry - get the last element from a list
+ * @head: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_last_entry(head, type, member) \
+ list_entry((head)->prev, type, member)
+
+/**
* list_for_each - iterate over a list
* @pos: the &struct list_head to use as a loop cursor.
* @head: the head for your list.
--
1.7.9
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