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Commit 2809cec5 authored by David S. Miller's avatar David S. Miller
Browse files

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: default avatarDavid S. Miller <davem@davemloft.net>
parent 14ad6647

net/caif/chnl_net.c

+7 −7
Original line number Diff line number Diff line
@@ -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;