[LIST]: Introduce list_for_each_entry_safe_continue

Used in the dccp CCID3 code, that is going to be submitted RSN.

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/list.h b/include/linux/list.h
index aab2db21b013..597094e0fdb5 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -419,6 +419,19 @@ static inline void list_splice_init(struct list_head *list,
              pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
+ * list_for_each_entry_safe_continue -  iterate over list of given type
+ *                      continuing after existing point safe against removal of list entry
+ * @pos:        the type * to use as a loop counter.
+ * @n:          another type * to use as temporary storage
+ * @head:       the head for your list.
+ * @member:     the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe_continue(pos, n, head, member)                 \
+        for (pos = n, n = list_entry(n->member.next, typeof(*n), member);       \
+             &pos->member != (head);                                            \
+             pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
  * list_for_each_rcu    -       iterate over an rcu-protected list
  * @pos:        the &struct list_head to use as a loop counter.
  * @head:       the head for your list.