diff options
| -rw-r--r-- | sys/kern/vfs_syscalls.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c index 613f30d..0400504 100644 --- a/sys/kern/vfs_syscalls.c +++ b/sys/kern/vfs_syscalls.c @@ -2744,6 +2744,10 @@ setfflags(td, vp, flags) struct mount *mp; struct vattr vattr; + /* We can't support the value matching VNOVAL. */ + if (flags == VNOVAL) + return (EOPNOTSUPP); + /* * Prevent non-root users from setting flags on devices. When * a device is reused, users can retain ownership of the device |
