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Diffstat (limited to 'linux-core/drm_agpsupport.c')
-rw-r--r--linux-core/drm_agpsupport.c6
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 )