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| author | Gareth Hughes <gareth@users.sourceforge.net> | 2001-05-23 17:41:31 +0000 |
|---|---|---|
| committer | Gareth Hughes <gareth@users.sourceforge.net> | 2001-05-23 17:41:31 +0000 |
| commit | dca245e37c875660fa766a264377628dd3a311e5 (patch) | |
| tree | 97b5e4d2b7d2fe83dace76ce148f81af6dad1041 /linux-core | |
| parent | 18ce40c9d31c166b49e6689c260eb1ddb3cc08c9 (diff) | |
Only authenticated clients can mmap() (Jeff Hartmann).
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_vm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c index 771c11bd..d17a1370 100644 --- a/linux-core/drm_vm.c +++ b/linux-core/drm_vm.c @@ -377,6 +377,8 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma) DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + if ( !priv->authenticated ) return -EACCES; + if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma); /* A sequential search of a linked list is |