1 files changed, 3 insertions, 22 deletions

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 6d92d17e7fb..03e57bf92c7 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -68,20 +68,6 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type,
 }
 
 /**
- * tipc_msg_calc_data_size - determine total data size for message
- */
-
-int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect)
-{
-        int dsz = 0;
-        int i;
-
-        for (i = 0; i < num_sect; i++)
-                dsz += msg_sect[i].iov_len;
-        return dsz;
-}
-
-/**
  * tipc_msg_build - create message using specified header and data
  *
  * Note: Caller must not hold any locks in case copy_from_user() is interrupted!
@@ -89,18 +75,13 @@ int tipc_msg_calc_data_size(struct iovec const *msg_sect, u32 num_sect)
  * Returns message data size or errno
  */
 
-int tipc_msg_build(struct tipc_msg *hdr,
-                            struct iovec const *msg_sect, u32 num_sect,
+int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
+                   u32 num_sect, unsigned int total_len,
                             int max_size, int usrmem, struct sk_buff **buf)
 {
         int dsz, sz, hsz, pos, res, cnt;
 
-        dsz = tipc_msg_calc_data_size(msg_sect, num_sect);
-        if (unlikely(dsz > TIPC_MAX_USER_MSG_SIZE)) {
-                *buf = NULL;
-                return -EINVAL;
-        }
-
+        dsz = total_len;
         pos = hsz = msg_hdr_sz(hdr);
         sz = hsz + dsz;
         msg_set_size(hdr, sz);