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authorDavid S. Miller <davem@davemloft.net>2012-04-01 20:48:13 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 04:33:44 -0400
commit2809cec5b52b2d02fa0d7dab6e146abfc93c5b86 (patch)
tree2ece27cce40a138aaad94de47b354db5c1e562f3 /net/caif
parent14ad6647f3c919b4ee987e2058fbc6c10f29bb53 (diff)
downloadlinux-2809cec5b52b2d02fa0d7dab6e146abfc93c5b86.tar.gz
caif: 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/caif')
-rw-r--r--net/caif/chnl_net.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 20618dd3088b..93e9c6dc9ddf 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -421,14 +421,14 @@ static int ipcaif_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	struct chnl_net *priv;
 	u8 loop;
 	priv = netdev_priv(dev);
-	NLA_PUT_U32(skb, IFLA_CAIF_IPV4_CONNID,
-		    priv->conn_req.sockaddr.u.dgm.connection_id);
-	NLA_PUT_U32(skb, IFLA_CAIF_IPV6_CONNID,
-		    priv->conn_req.sockaddr.u.dgm.connection_id);
+	if (nla_put_u32(skb, IFLA_CAIF_IPV4_CONNID,
+			priv->conn_req.sockaddr.u.dgm.connection_id) ||
+	    nla_put_u32(skb, IFLA_CAIF_IPV6_CONNID,
+			priv->conn_req.sockaddr.u.dgm.connection_id))
+		goto nla_put_failure;
 	loop = priv->conn_req.protocol == CAIFPROTO_DATAGRAM_LOOP;
-	NLA_PUT_U8(skb, IFLA_CAIF_LOOPBACK, loop);
-
-
+	if (nla_put_u8(skb, IFLA_CAIF_LOOPBACK, loop))
+		goto nla_put_failure;
 	return 0;
 nla_put_failure:
 	return -EMSGSIZE;