tipc_msg_build(): pass msghdr instead of its ->msg_iov

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 8 insertions, 9 deletions

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index ec18076e81ec..9155496b8a8a 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -162,14 +162,14 @@ err:
 /**
  * tipc_msg_build - create buffer chain containing specified header and data
  * @mhdr: Message header, to be prepended to data
- * @iov: User data
+ * @m: User message
  * @offset: Posision in iov to start copying from
  * @dsz: Total length of user data
  * @pktmax: Max packet size that can be used
  * @chain: Buffer or chain of buffers to be returned to caller
  * Returns message data size or errno: -ENOMEM, -EFAULT
  */
-int tipc_msg_build(struct tipc_msg *mhdr, struct iovec const *iov,
+int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m,
                    int offset, int dsz, int pktmax , struct sk_buff **chain)
 {
         int mhsz = msg_hdr_sz(mhdr);
@@ -194,7 +194,7 @@ int tipc_msg_build(struct tipc_msg *mhdr, struct iovec const *iov,
                 skb_copy_to_linear_data(buf, mhdr, mhsz);
                 pktpos = buf->data + mhsz;
                 TIPC_SKB_CB(buf)->chain_sz = 1;
-                if (!dsz || !memcpy_fromiovecend(pktpos, iov, offset, dsz))
+                if (!dsz || !memcpy_fromiovecend(pktpos, m->msg_iov, offset, dsz))
                         return dsz;
                 rc = -EFAULT;
                 goto error;
@@ -223,7 +223,7 @@ int tipc_msg_build(struct tipc_msg *mhdr, struct iovec const *iov,
                 if (drem < pktrem)
                         pktrem = drem;
 
-                if (memcpy_fromiovecend(pktpos, iov, offset, pktrem)) {
+                if (memcpy_fromiovecend(pktpos, m->msg_iov, offset, pktrem)) {
                         rc = -EFAULT;
                         goto error;
                 }
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 0ea7b695ac4d..d7d2ba2afe6c 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -743,7 +743,7 @@ bool tipc_msg_bundle(struct sk_buff *bbuf, struct sk_buff *buf, u32 mtu);
 
 bool tipc_msg_make_bundle(struct sk_buff **buf, u32 mtu, u32 dnode);
 
-int tipc_msg_build(struct tipc_msg *mhdr, struct iovec const *iov,
+int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m,
                    int offset, int dsz, int mtu , struct sk_buff **chain);
 
 struct sk_buff *tipc_msg_reassemble(struct sk_buff *chain);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 2d4b2fa7d628..b3415a78da2e 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -727,7 +727,7 @@ static int tipc_sendmcast(struct  socket *sock, struct tipc_name_seq *seq,
 
 new_mtu:
         mtu = tipc_bclink_get_mtu();
-        rc = tipc_msg_build(mhdr, msg->msg_iov, 0, dsz, mtu, &buf);
+        rc = tipc_msg_build(mhdr, msg, 0, dsz, mtu, &buf);
         if (unlikely(rc < 0))
                 return rc;
 
@@ -905,7 +905,6 @@ static int tipc_sendmsg(struct kiocb *iocb, struct socket *sock,
         struct sock *sk = sock->sk;
         struct tipc_sock *tsk = tipc_sk(sk);
         struct tipc_msg *mhdr = &tsk->phdr;
-        struct iovec *iov = m->msg_iov;
         u32 dnode, dport;
         struct sk_buff *buf;
         struct tipc_name_seq *seq = &dest->addr.nameseq;
@@ -982,7 +981,7 @@ static int tipc_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 new_mtu:
         mtu = tipc_node_get_mtu(dnode, tsk->ref);
-        rc = tipc_msg_build(mhdr, iov, 0, dsz, mtu, &buf);
+        rc = tipc_msg_build(mhdr, m, 0, dsz, mtu, &buf);
         if (rc < 0)
                 goto exit;
 
@@ -1094,7 +1093,7 @@ static int tipc_send_stream(struct kiocb *iocb, struct socket *sock,
 next:
         mtu = tsk->max_pkt;
         send = min_t(uint, dsz - sent, TIPC_MAX_USER_MSG_SIZE);
-        rc = tipc_msg_build(mhdr, m->msg_iov, sent, send, mtu, &buf);
+        rc = tipc_msg_build(mhdr, m, sent, send, mtu, &buf);
         if (unlikely(rc < 0))
                 goto exit;
         do {