Commit 75ce7cea authored Feb 09, 2007 by Eric Dumazet Committed by David S. Miller Feb 10, 2007

[NET]: Introduce union in struct dst_entry to hold 'next' pointer



This patch introduces an anonymous union to nicely express the fact that all
objects inherited from struct dst_entry should access to the generic 'next'
pointer but with appropriate type verification.

This patch is a prereq before following patches.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f7b14315

include/net/dst.h

+6 −1

Original line number	Diff line number	Diff line
		@@ -37,7 +37,12 @@ struct sk_buff;

		struct dst_entry
		{
		union {
		struct dst_entry *next;
		struct rtable *rt_next;
		struct rt6_info *rt6_next;
		struct dn_route *dn_next;
		};
		atomic_t __refcnt; /* client references */
		int __use;
		struct dst_entry *child;