Commit 93af2056 authored Nov 22, 2016 by Zhang Shengju Committed by David S. Miller Nov 23, 2016

rtnetlink: fix the wrong minimal dump size getting from rtnl_calcit()



For RT netlink, calcit() function should return the minimal size for
netlink dump message. This will make sure that dump message for every
network device can be stored.

Currently, rtnl_calcit() function doesn't account the size of header of
netlink message, this patch will fix it.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 57aac71b

net/core/rtnetlink.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2737,7 +2737,7 @@ static u16 rtnl_calcit(struct sk_buff skb, struct nlmsghdr nlh)
		ext_filter_mask));
		}

		return min_ifinfo_dump_size;
		return nlmsg_total_size(min_ifinfo_dump_size);
		}

		static int rtnl_dump_all(struct sk_buff skb, struct netlink_callback cb)