We have list_first_entry() but in some cases it is useful to find the last
item added to the list. Add a macro for this.
Signed-off-by: Simon Glass <s...@chromium.org>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
---
Changes in v2: None
include/linux/list.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/linux/list.h b/include/linux/list.h
index b78851c..5b8d1df 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -338,6 +338,17 @@ static inline void list_splice_tail_init(struct list_head
*list,
list_entry((ptr)->next, type, member)
/**
+ * list_last_entry - get the last element from a list
+ * @ptr: 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(ptr, type, member) \
+ list_entry((ptr)->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.
--
2.8.0.rc3.226.g39d4020
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