diff options
Diffstat (limited to 'sys/fs/nullfs/null_vfsops.c')
| -rw-r--r-- | sys/fs/nullfs/null_vfsops.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/fs/nullfs/null_vfsops.c b/sys/fs/nullfs/null_vfsops.c index ea49163..d834d04 100644 --- a/sys/fs/nullfs/null_vfsops.c +++ b/sys/fs/nullfs/null_vfsops.c @@ -85,6 +85,8 @@ nullfs_mount(struct mount *mp, struct thread *td) NULLFSDEBUG("nullfs_mount(mp = %p)\n", (void *)mp); + if (mp->mnt_flag & MNT_ROOTFS) + return (EOPNOTSUPP); /* * Update is a no-op */ |
