diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_channel.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_channel.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c index e37977d..4d2f194 100644 --- a/drivers/gpu/drm/nouveau/nouveau_channel.c +++ b/drivers/gpu/drm/nouveau/nouveau_channel.c @@ -253,6 +253,9 @@ nouveau_channel_get(struct drm_device *dev, struct drm_file *file_priv, int id) struct nouveau_channel *chan; unsigned long flags; + if (unlikely(id < 0 || id >= NOUVEAU_MAX_CHANNEL_NR)) + return ERR_PTR(-EINVAL); + spin_lock_irqsave(&dev_priv->channels.lock, flags); chan = nouveau_channel_get_unlocked(dev_priv->channels.ptr[id]); spin_unlock_irqrestore(&dev_priv->channels.lock, flags); |