[PATCH cluster 09/12] pmxcfs: server: simplify message response size calculation

[Daniel Kral <d.kral@proxmox.com>]

Calculate the full message size by the actual length of the iovecs,
which are copied over memory to remove some small code duplication.

No functional changes intended.

Signed-off-by: Daniel Kral <d.kral@proxmox.com>
---
 src/pmxcfs/server.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/pmxcfs/server.c b/src/pmxcfs/server.c
index 0af6745..c53d4e0 100644
--- a/src/pmxcfs/server.c
+++ b/src/pmxcfs/server.c
@@ -456,15 +456,15 @@ static void s1_msg_send_response(qb_ipcs_connection_t *c, int32_t request_id, in
         g_string_truncate(outbuf, 0);
     }
 
-    res_header.id = request_id;
-    res_header.size = sizeof(res_header) + outbuf->len;
-    res_header.error = result;
-
     iov[0].iov_base = (char *)&res_header;
     iov[0].iov_len = sizeof(res_header);
     iov[1].iov_base = outbuf->str;
     iov[1].iov_len = outbuf->len;
 
+    res_header.id = request_id;
+    res_header.size = iov[0].iov_len + iov[1].iov_len;
+    res_header.error = result;
+
     ssize_t res = qb_ipcs_response_sendv(c, iov, iov_len);
     if (res < 0) {
         cfs_critical("qb_ipcs_response_send: %s", strerror(errno));
-- 
2.47.3