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authorDavid S. Miller <davem@davemloft.net>2012-04-01 20:49:54 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 04:33:44 -0400
commit2eb812e6501597e8b4bc4fdef2db8158c1a3afb6 (patch)
treee15f5b81094c912b8fb30b3bb68abad070901fdb /net/bridge/br_fdb.c
parent2809cec5b52b2d02fa0d7dab6e146abfc93c5b86 (diff)
downloadlinux-2eb812e6501597e8b4bc4fdef2db8158c1a3afb6.tar.gz
bridge: Stop using NLA_PUT*().
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@davemloft.net>
Diffstat (limited to 'net/bridge/br_fdb.c')
-rw-r--r--net/bridge/br_fdb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 5ba0c844d508..80dbce4974ce 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -487,14 +487,14 @@ static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br,
 	ndm->ndm_ifindex = fdb->dst ? fdb->dst->dev->ifindex : br->dev->ifindex;
 	ndm->ndm_state   = fdb_to_nud(fdb);
 
-	NLA_PUT(skb, NDA_LLADDR, ETH_ALEN, &fdb->addr);
-
+	if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->addr))
+		goto nla_put_failure;
 	ci.ndm_used	 = jiffies_to_clock_t(now - fdb->used);
 	ci.ndm_confirmed = 0;
 	ci.ndm_updated	 = jiffies_to_clock_t(now - fdb->updated);
 	ci.ndm_refcnt	 = 0;
-	NLA_PUT(skb, NDA_CACHEINFO, sizeof(ci), &ci);
-
+	if (nla_put(skb, NDA_CACHEINFO, sizeof(ci), &ci))
+		goto nla_put_failure;
 	return nlmsg_end(skb, nlh);
 
 nla_put_failure: