diff options
Diffstat (limited to 'linux-core/drm_agpsupport.c')
| -rw-r--r-- | linux-core/drm_agpsupport.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c index dfd0d8fc2..9b056c75f 100644 --- a/linux-core/drm_agpsupport.c +++ b/linux-core/drm_agpsupport.c @@ -52,7 +52,8 @@ int DRM(agp_info)(struct inode *inode, struct file *filp, agp_kern_info *kern; drm_agp_info_t info; - if (!dev->agp->acquired || !drm_agp->copy_info) return -EINVAL; + if (!dev->agp || !dev->agp->acquired || !drm_agp->copy_info) + return -EINVAL; kern = &dev->agp->agp_info; info.agp_version_major = kern->version.major; @@ -77,7 +78,8 @@ 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) return -EINVAL; + if (!dev->agp || dev->agp->acquired || !drm_agp->acquire) + return -EINVAL; if ((retcode = drm_agp->acquire())) return retcode; dev->agp->acquired = 1; return 0; @@ -89,7 +91,8 @@ int DRM(agp_release)(struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - if (!dev->agp->acquired || !drm_agp->release) return -EINVAL; + if (!dev->agp || !dev->agp->acquired || !drm_agp->release) + return -EINVAL; drm_agp->release(); dev->agp->acquired = 0; return 0; @@ -108,7 +111,8 @@ int DRM(agp_enable)(struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; drm_agp_mode_t mode; - if (!dev->agp->acquired || !drm_agp->enable) return -EINVAL; + if (!dev->agp || !dev->agp->acquired || !drm_agp->enable) + return -EINVAL; if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode))) return -EFAULT; @@ -131,7 +135,7 @@ int DRM(agp_alloc)(struct inode *inode, struct file *filp, unsigned long pages; u32 type; - if (!dev->agp->acquired) return -EINVAL; + if (!dev->agp || !dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) return -EFAULT; if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS))) @@ -188,7 +192,7 @@ int DRM(agp_unbind)(struct inode *inode, struct file *filp, drm_agp_binding_t request; drm_agp_mem_t *entry; - if (!dev->agp->acquired) return -EINVAL; + if (!dev->agp || !dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) return -EFAULT; if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) @@ -207,7 +211,8 @@ int DRM(agp_bind)(struct inode *inode, struct file *filp, int retcode; int page; - if (!dev->agp->acquired || !drm_agp->bind_memory) return -EINVAL; + if (!dev->agp || !dev->agp->acquired || !drm_agp->bind_memory) + return -EINVAL; if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) return -EFAULT; if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) @@ -229,7 +234,7 @@ int DRM(agp_free)(struct inode *inode, struct file *filp, drm_agp_buffer_t request; drm_agp_mem_t *entry; - if (!dev->agp->acquired) return -EINVAL; + if (!dev->agp || !dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) return -EFAULT; if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) |