diff options
Diffstat (limited to 'linux-core/drm_agpsupport.c')
| -rw-r--r-- | linux-core/drm_agpsupport.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c index 0f281b57..f83651af 100644 --- a/linux-core/drm_agpsupport.c +++ b/linux-core/drm_agpsupport.c @@ -104,7 +104,11 @@ int DRM(agp_acquire)(struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; int retcode; - if (!dev->agp || dev->agp->acquired || !drm_agp->acquire) + if (!dev->agp) + return -ENODEV; + if (dev->agp->acquired) + return -EBUSY; + if (!drm_agp->acquire) return -EINVAL; #ifndef VMAP_4_ARGS if ( dev->agp->cant_use_aperture ) |