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| author | phk <phk@FreeBSD.org> | 2004-11-09 22:21:10 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2004-11-09 22:21:10 +0000 |
| commit | 37ad4f1923f750790407861ce00a1e96c5f1b0be (patch) | |
| tree | a0898a9eb72f91239f4c43f21404a108a77b4bc4 /sys/fs/unionfs/union_vfsops.c | |
| parent | 921930c5854fc8118d129cc5be63eb03148ece00 (diff) | |
| download | FreeBSD-src-37ad4f1923f750790407861ce00a1e96c5f1b0be.zip FreeBSD-src-37ad4f1923f750790407861ce00a1e96c5f1b0be.tar.gz | |
Refuse attempts to mount root filesystem
Diffstat (limited to 'sys/fs/unionfs/union_vfsops.c')
| -rw-r--r-- | sys/fs/unionfs/union_vfsops.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/fs/unionfs/union_vfsops.c b/sys/fs/unionfs/union_vfsops.c index bf3fcfa..7383c0c 100644 --- a/sys/fs/unionfs/union_vfsops.c +++ b/sys/fs/unionfs/union_vfsops.c @@ -89,6 +89,8 @@ union_mount(mp, td) */ mp->mnt_flag |= MNT_NOCLUSTERW; + if (mp->mnt_flag & MNT_ROOTFS) + return (EOPNOTSUPP); /* * Update is a no-op */ |
