backports: add list_next_entry()

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/backport/backport-include/linux/list.h b/backport/backport-include/linux/list.h
index 4e1b3ca44e77c772690510861b16b173625f647f..90428307a2892071db5a237e7cafc2020f629f2c 100644 (file)
--- a/backport/backport-include/linux/list.h
+++ b/backport/backport-include/linux/list.h
@@ -63,4 +63,14 @@
        (!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL)
 #endif /* list_first_entry_or_null */
 
+#ifndef list_next_entry
+/**
+ * list_next_entry - get the next element in list
+ * @pos:       the type * to cursor
+ * @member:    the name of the list_struct within the struct.
+ */
+#define list_next_entry(pos, member) \
+       list_entry((pos)->member.next, typeof(*(pos)), member)
+#endif /* list_next_entry */
+
 #endif /* __BACKPORT_LIST_H */