netdev - [PATCH] can: add the missing netlink get_xstats

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Date:	Thu, 12 Nov 2009 16:34:05 +0100
From:	Wolfgang Grandegger <wg@...ndegger.com>
To:	Linux Netdev List <netdev@...r.kernel.org>
CC:	SocketCAN Core Mailing List <socketcan-core@...ts.berlios.de>
Subject: [PATCH] can: add the missing netlink get_xstats_size callback

This patch adds the missing "get_xstats_size" callback for the
netlink interface, which is required if "fill_xstats" is used,
as pointed out by Patrick McHardy.

Signed-off-by: Wolfgang Grandegger <wg@...ndegger.com>
---
 drivers/net/can/dev.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: net-next-2.6/drivers/net/can/dev.c
===================================================================
--- net-next-2.6.orig/drivers/net/can/dev.c
+++ net-next-2.6/drivers/net/can/dev.c
@@ -677,6 +677,11 @@ nla_put_failure:
 	return -EMSGSIZE;
 }
 
+static size_t can_get_xstats_size(const struct net_device *dev)
+{
+	return sizeof(struct can_device_stats);
+}
+
 static int can_fill_xstats(struct sk_buff *skb, const struct net_device *dev)
 {
 	struct can_priv *priv = netdev_priv(dev);
@@ -705,6 +710,7 @@ static struct rtnl_link_ops can_link_ops
 	.changelink	= can_changelink,
 	.get_size	= can_get_size,
 	.fill_info	= can_fill_info,
+	.get_xstats_size = can_get_xstats_size,
 	.fill_xstats	= can_fill_xstats,
 };
 

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