1 files changed, 3 insertions, 1 deletions
diff --git a/ext2fs/hyper.c b/ext2fs/hyper.c
index 627b1ac6..2a940308 100644
--- a/ext2fs/hyper.c
+++ b/ext2fs/hyper.c
@@ -199,6 +199,9 @@ diskfs_set_hypermetadata (int wait, int clean)
 
  if (sblock_dirty)
    {
+     if (diskfs_readonly)
+       return EROFS; /* impossible to write */
+
      /* Before writing, set the time of write */
      sblock->s_wtime = htole32 (diskfs_mtime->seconds);
      sblock_dirty = 0;
@@ -209,7 +212,6 @@ diskfs_set_hypermetadata (int wait, int clean)
 
   sync_global (wait);
 
-  /* Should check writability here and return EROFS if necessary. XXX */
   return 0;
 }