migration/multifd: Print used_length of memory block

We actually want to print the used_length, against which we check.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-10-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

diff --git a/migration/multifd.c b/migration/multifd.c
index a6677c45c86349ec09809c942b8c358ea5f4c533..0a4803cfccbab0c7d19f28c7f8af1fba125fe8d5 100644 (file)
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -361,7 +361,7 @@ static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp)
         if (offset > (block->used_length - qemu_target_page_size())) {
             error_setg(errp, "multifd: offset too long %" PRIu64
                        " (max " RAM_ADDR_FMT ")",
-                       offset, block->max_length);
+                       offset, block->used_length);
             return -1;
         }
         p->pages->iov[i].iov_base = block->host + offset;