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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-11-24 10:07:21 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-21 17:17:23 +1000 |
| commit | 587107b690f567690982fb504047e7b0a6590344 (patch) | |
| tree | 12c9bedb3edb38a498c0cf47a7da93594e2ba5ff | |
| parent | 99805566d93d69b7daf2373aba9fae52a62396f4 (diff) | |
| download | linux-587107b690f567690982fb504047e7b0a6590344.tar.bz2 | |
drm/nvc0: reject the notifier_alloc ioctl
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_notifier.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c index a050b7b69782..fe29d604b820 100644 --- a/drivers/gpu/drm/nouveau/nouveau_notifier.c +++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c @@ -164,10 +164,15 @@ int nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { + struct drm_nouveau_private *dev_priv = dev->dev_private; struct drm_nouveau_notifierobj_alloc *na = data; struct nouveau_channel *chan; int ret; + /* completely unnecessary for these chipsets... */ + if (unlikely(dev_priv->card_type >= NV_C0)) + return -EINVAL; + chan = nouveau_channel_get(dev, file_priv, na->channel); if (IS_ERR(chan)) return PTR_ERR(chan); |