netdev - [PATCH] NET : loopback driver can use loopback_dev integrated net_device

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Message-Id: <20070410192912.b60e86bf.dada1@cosmosbay.com>
Date:	Tue, 10 Apr 2007 19:29:12 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	David Miller <davem@...emloft.net>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Rusty Russel <rusty@...tcorp.com.au>
Subject: [PATCH] NET : loopback driver can use loopback_dev integrated
 net_device_stats

Hi David

Please find this patch against net-2.6.22

Thank you

[PATCH] NET : loopback driver can use loopback_dev integrated net_device_stats

Rusty added a new 'stats' field to struct net_device.

loopback driver can use it instead of declaring another struct net_device_stats
This saves some memory.

Signed-off-by: Eric Dumazet <dada1@...mosbay.com>

diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 6df673a..6ba6ed2 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -164,11 +164,9 @@ #endif
 	return 0;
 }
 
-static struct net_device_stats loopback_stats;
-
 static struct net_device_stats *get_stats(struct net_device *dev)
 {
-	struct net_device_stats *stats = &loopback_stats;
+	struct net_device_stats *stats = &dev->stats;
 	unsigned long bytes = 0;
 	unsigned long packets = 0;
 	int i;
@@ -208,7 +206,6 @@ static const struct ethtool_ops loopback
 struct net_device loopback_dev = {
 	.name	 		= "lo",
 	.get_stats		= &get_stats,
-	.priv			= &loopback_stats,
 	.mtu			= (16 * 1024) + 20 + 20 + 12,
 	.hard_start_xmit	= loopback_xmit,
 	.hard_header		= eth_header,
-
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