From: Stefan Gula <steweg@gmail.com>
Date: Thu, 26 Jan 2012 11:01:06 +0000 (+0000)
Subject: net: RTNETLINK adjusting values of min_ifinfo_dump_size
X-Git-Tag: upstream/snapshot3+hdmi~8225^2~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f18da14565819ba43b8321237e2426a2914cc2ef;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

net: RTNETLINK adjusting values of min_ifinfo_dump_size

Setting link parameters on a netdevice changes the value
of if_nlmsg_size(), therefore it is necessary to recalculate
min_ifinfo_dump_size.

Signed-off-by: Stefan Gula <steweg@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index f16444b..65aebd4 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1509,6 +1509,9 @@ errout:
 
 	if (send_addr_notify)
 		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+	min_ifinfo_dump_size = max_t(u16, if_nlmsg_size(dev),
+				     min_ifinfo_dump_size);
+
 	return err;
 }