LU-13593 ptlrpc: fix growing message buffer

[fs/lustre-release.git] / lustre / ptlrpc / layout.c

diff --git a/lustre/ptlrpc/layout.c b/lustre/ptlrpc/layout.c
index 40bd630..e0929ab 100644 (file)
--- a/lustre/ptlrpc/layout.c
+++ b/lustre/ptlrpc/layout.c
@@ -2626,8 +2626,9 @@ int req_capsule_server_grow(struct req_capsule *pill,
        /* Now we need only buffers, copy them and grow the needed one */
        to = lustre_msg_buf(nrs->rs_msg, 0, 0);
        from = lustre_msg_buf(rs->rs_msg, 0, 0);
-       len = (char *)rs->rs_msg + lustre_packed_msg_size(rs->rs_msg) - from;
-       memcpy(to, from, len);
+       memcpy(to, from,
+              (char *)rs->rs_msg + lustre_packed_msg_size(rs->rs_msg) - from);
+       lustre_msg_set_buflen(nrs->rs_msg, offset, len);
        pill->rc_req->rq_replen = lustre_grow_msg(nrs->rs_msg, offset, newlen);
 
         if (rs->rs_difficult) {