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| author | Ben Skeggs <skeggsb@gmail.com> | 2007-07-11 12:38:48 +1000 |
|---|---|---|
| committer | Ben Skeggs <skeggsb@gmail.com> | 2007-07-11 12:39:30 +1000 |
| commit | 13e1377044d581d692af77656e3bc32c9eb183f7 (patch) | |
| tree | f88fd9dff940f57937c9da2faaee4b60317fb980 /shared-core/nouveau_fifo.c | |
| parent | 694e1c5c3f768436651ddf95e11ab5a89ccc8ffa (diff) | |
nouveau: Some checks on userspace object handles.
Diffstat (limited to 'shared-core/nouveau_fifo.c')
| -rw-r--r-- | shared-core/nouveau_fifo.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index bc3a9948..fcdc14c8 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -474,6 +474,9 @@ static int nouveau_ioctl_fifo_alloc(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_fifo_alloc_t __user *) data, sizeof(init)); + if (init.fb_ctxdma_handle == ~0 || init.tt_ctxdma_handle == ~0) + return DRM_ERR(EINVAL); + res = nouveau_fifo_alloc(dev, &init.channel, filp, init.fb_ctxdma_handle, init.tt_ctxdma_handle); |