net: add build-time checks for msg->msg_name size

[~andy/linux] / net / rose / af_rose.c

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index d080eb4b0d29c2ba81740ca1bacb16f6a25e063a..c2cca2ee6aefc1f4b98db1334469dbcb4f095ad1 100644 (file)
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1051,7 +1051,7 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
 {
        struct sock *sk = sock->sk;
        struct rose_sock *rose = rose_sk(sk);
-       struct sockaddr_rose *usrose = (struct sockaddr_rose *)msg->msg_name;
+       DECLARE_SOCKADDR(struct sockaddr_rose *, usrose, msg->msg_name);
        int err;
        struct full_sockaddr_rose srose;
        struct sk_buff *skb;
@@ -1253,7 +1253,8 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
 
        if (msg->msg_name) {
                struct sockaddr_rose *srose;
-               struct full_sockaddr_rose *full_srose = msg->msg_name;
+               DECLARE_SOCKADDR(struct full_sockaddr_rose *, full_srose,
+                                msg->msg_name);
 
                memset(msg->msg_name, 0, sizeof(struct full_sockaddr_rose));
                srose = msg->msg_name;