set-append and set-kernel parameters are both nullable.

[libguestfs.git] / daemon / grub.c

diff --git a/daemon/grub.c b/daemon/grub.c
index 85a5ab9..3b1768f 100644 (file)
--- a/daemon/grub.c
+++ b/daemon/grub.c
@@ -1,5 +1,5 @@
 /* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc. 
+ * Copyright (C) 2009 Red Hat Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,13 +36,13 @@ do_grub_install (char *root, char *device)
   ABS_PATH (root, -1);
   IS_DEVICE (device, -1);
 
-  len = strlen (root) + 64;
+  len = strlen (root) + sysroot_len + 64;
   buf = malloc (len);
   if (!buf) {
     reply_with_perror ("malloc");
     return -1;
   }
-  snprintf (buf, len, "--root-directory=/sysroot%s", root);
+  snprintf (buf, len, "--root-directory=%s%s", sysroot, root);
 
   r = command (NULL, &err, "/sbin/grub-install", buf, device, NULL);
   free (buf);