diff options
| author | phk <phk@FreeBSD.org> | 2005-02-22 13:56:15 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2005-02-22 13:56:15 +0000 |
| commit | 068a6e0ac25624950bd9de08432e300924290554 (patch) | |
| tree | b416e7e89912f15b529c69b1164b9cf524ca92fe /sys/dev/drm | |
| parent | aea571c6b579e2f62dd7d0fd464afe81ff4d4701 (diff) | |
| download | FreeBSD-src-068a6e0ac25624950bd9de08432e300924290554.zip FreeBSD-src-068a6e0ac25624950bd9de08432e300924290554.tar.gz | |
Neuter DRM(mapbufs) until somebody finds time to try to fix it.
It is _never_ OK to find a vnode from a struct cdev because you have
no way of telling if you get the right one. You might be in jail or
chroot for instance.
Diffstat (limited to 'sys/dev/drm')
| -rw-r--r-- | sys/dev/drm/drm_bufs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/drm/drm_bufs.h b/sys/dev/drm/drm_bufs.h index 841fb13..6f7f205 100644 --- a/sys/dev/drm/drm_bufs.h +++ b/sys/dev/drm/drm_bufs.h @@ -923,8 +923,12 @@ int DRM(mapbufs)( DRM_IOCTL_ARGS ) #ifdef __FreeBSD__ vaddr = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ); +#ifdef this_is_just_plain_bogus retcode = vm_mmap(&vms->vm_map, &vaddr, size, PROT_READ | PROT_WRITE, VM_PROT_ALL, MAP_SHARED, SLIST_FIRST(&kdev->si_hlist), foff ); +#else + retcode = EOPNOTSUPP; +#endif #elif defined(__NetBSD__) vaddr = round_page((vaddr_t)vms->vm_daddr + MAXDSIZ); retcode = uvm_mmap(&vms->vm_map, &vaddr, size, |
