netdev - [PATCH 34/51] macvlan: Stop using NLA

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Date:	Sun,  1 Apr 2012 22:58:24 -0400
From:	"David S. Miller" <davem@...emloft.net>
To:	netdev@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 34/51] macvlan: Stop using NLA_PUT*().

From: "David S. Miller" <davem@...emloft.net>

These macros contain a hidden goto, and are thus extremely error
prone and make code hard to audit.

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 drivers/net/macvlan.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index f975afd..b17fc90 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -773,7 +773,8 @@ static int macvlan_fill_info(struct sk_buff *skb,
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);

-	NLA_PUT_U32(skb, IFLA_MACVLAN_MODE, vlan->mode);
+	if (nla_put_u32(skb, IFLA_MACVLAN_MODE, vlan->mode))
+		goto nla_put_failure;
 	return 0;

 nla_put_failure:
-- 
1.7.7.6

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