diff options
| author | Poul-Henning Kamp <phk@FreeBSD.org> | 2004-09-21 08:33:05 +0000 |
|---|---|---|
| committer | Poul-Henning Kamp <phk@FreeBSD.org> | 2004-09-21 08:33:05 +0000 |
| commit | 90a660e1998ee05094bf75302aa1793533c0629a (patch) | |
| tree | 6429a49af77284d02bab0bd38d6af7d692023f32 | |
| parent | 205eb0cd5eeef29830e32b7eb39042f8910f6e55 (diff) | |
Notes
| -rw-r--r-- | sys/kern/vfs_vnops.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index d8204b6e9856..7cc09ccb04fc 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -806,6 +806,8 @@ vn_ioctl(fp, com, data, active_cred, td) case VCHR: case VBLK: if (com == FIODTYPE) { + if (vp->v_rdev == NULL) + return (EOPNOTSUPP); if (vp->v_type != VCHR && vp->v_type != VBLK) return (ENOTTY); *(int *)data = devsw(vp->v_rdev)->d_flags & D_TYPEMASK; |