+#define LIST_FOR_EACH_ENTRY_SAFE(pos, tmp, head, type, member) \
+ for ((pos) = (head)->lh_first ? \
+ container_of((head)->lh_first, struct type, member) : \
+ 0, \
+ (tmp) = (pos) == 0 ? 0 : ((pos)->member.next.le_next ? \
+ container_of((pos)->member.next.le_next, struct type, \
+ member) : \
+ 0); \
+ (pos); \
+ (pos) = (tmp), \
+ (tmp) = (pos) == 0 ? 0 : ((tmp)->member.next.le_next ? \
+ container_of((pos)->member.next.le_next, struct type, \
+ member) : \
+ 0))
+