linux-kernel - [PATCH 1/2] bridge: Use ether_addr_copy and ETH

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Date:	Sun, 23 Feb 2014 00:05:25 -0800
From:	Joe Perches <joe@...ches.com>
To:	netdev@...r.kernel.org
Cc:	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>,
	bridge@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] bridge: Use ether_addr_copy and ETH_ALEN

Convert the more obvious uses of memcpy to ether_addr_copy.

There are still uses of memcpy that could be converted but
these addresses are __aligned(2).

Convert a couple uses of 6 in gr_private.h to ETH_ALEN.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 net/bridge/br_device.c    | 2 +-
 net/bridge/br_multicast.c | 4 ++--
 net/bridge/br_private.h   | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index bf34451..b063050 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -367,7 +367,7 @@ void br_dev_setup(struct net_device *dev)
 	br->bridge_id.prio[0] = 0x80;
 	br->bridge_id.prio[1] = 0x00;
 
-	memcpy(br->group_addr, eth_reserved_addr_base, ETH_ALEN);
+	ether_addr_copy(br->group_addr, eth_reserved_addr_base);
 
 	br->stp_enabled = BR_NO_STP;
 	br->group_fwd_mask = BR_GROUPFWD_DEFAULT;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index ef66365..c97c3c8 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -363,7 +363,7 @@ static struct sk_buff *br_ip4_multicast_alloc_query(struct net_bridge *br,
 	skb_reset_mac_header(skb);
 	eth = eth_hdr(skb);
 
-	memcpy(eth->h_source, br->dev->dev_addr, ETH_ALEN);
+	ether_addr_copy(eth->h_source, br->dev->dev_addr);
 	eth->h_dest[0] = 1;
 	eth->h_dest[1] = 0;
 	eth->h_dest[2] = 0x5e;
@@ -433,7 +433,7 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
 	skb_reset_mac_header(skb);
 	eth = eth_hdr(skb);
 
-	memcpy(eth->h_source, br->dev->dev_addr, ETH_ALEN);
+	ether_addr_copy(eth->h_source, br->dev->dev_addr);
 	eth->h_proto = htons(ETH_P_IPV6);
 	skb_put(skb, sizeof(*eth));
 
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 3ba11bc..e1ca1dc 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -46,12 +46,12 @@ typedef __u16 port_id;
 struct bridge_id
 {
 	unsigned char	prio[2];
-	unsigned char	addr[6];
+	unsigned char	addr[ETH_ALEN];
 };
 
 struct mac_addr
 {
-	unsigned char	addr[6];
+	unsigned char	addr[ETH_ALEN];
 };
 
 struct br_ip
-- 
1.8.1.2.459.gbcd45b4.dirty

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