1 files changed, 6 insertions, 0 deletions

diff --git a/networking/nbd-client.c b/networking/nbd-client.c
index 103756b59..1ce974db1 100644
--- a/networking/nbd-client.c
+++ b/networking/nbd-client.c
@@ -163,7 +163,9 @@ int nbdclient_main(int argc, char **argv)
                 int sock, nbd;
                 int ro;
                 int proto_new; // 0 for old, 1 for new
+#if BB_MMU
                 char *data;
+#endif
 
                 // Make sure BLOCKDEV exists
                 nbd = xopen(device, O_RDWR);
@@ -200,7 +202,9 @@ int nbdclient_main(int argc, char **argv)
                         ioctl(nbd, NBD_SET_SIZE_BLOCKS, size_blocks);
                         ioctl(nbd, NBD_CLEAR_SOCK);
                         ro = !!(old_nbd_header.flags & htons(2));
+#if BB_MMU
                         data = old_nbd_header.data;
+#endif
                 } else {
                         unsigned namelen;
                         uint16_t handshake_flags;
@@ -230,7 +234,9 @@ int nbdclient_main(int argc, char **argv)
                         ioctl(nbd, NBD_SET_FLAGS,
                                         ntohs(new_nbd_header.transmission_flags));
                         ro = !!(new_nbd_header.transmission_flags & htons(2));
+#if BB_MMU
                         data = new_nbd_header.data;
+#endif
                 }
 
                 if (ioctl(nbd, BLKROSET, &ro) < 0) {