diff options
Diffstat (limited to 'drivers/char/drm/radeon_mem.c')
| -rw-r--r-- | drivers/char/drm/radeon_mem.c | 44 |
1 files changed, 16 insertions, 28 deletions
diff --git a/drivers/char/drm/radeon_mem.c b/drivers/char/drm/radeon_mem.c index 966d521cf27c..a29acfe2f973 100644 --- a/drivers/char/drm/radeon_mem.c +++ b/drivers/char/drm/radeon_mem.c @@ -217,11 +217,10 @@ static struct mem_block **get_heap(drm_radeon_private_t * dev_priv, int region) } } -int radeon_mem_alloc(DRM_IOCTL_ARGS) +int radeon_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_mem_alloc_t alloc; + drm_radeon_mem_alloc_t *alloc = data; struct mem_block *block, **heap; if (!dev_priv) { @@ -229,25 +228,23 @@ int radeon_mem_alloc(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(alloc, (drm_radeon_mem_alloc_t __user *) data, - sizeof(alloc)); - - heap = get_heap(dev_priv, alloc.region); + heap = get_heap(dev_priv, alloc->region); if (!heap || !*heap) return -EFAULT; /* Make things easier on ourselves: all allocations at least * 4k aligned. */ - if (alloc.alignment < 12) - alloc.alignment = 12; + if (alloc->alignment < 12) + alloc->alignment = 12; - block = alloc_block(*heap, alloc.size, alloc.alignment, file_priv); + block = alloc_block(*heap, alloc->size, alloc->alignment, file_priv); if (!block) return -ENOMEM; - if (DRM_COPY_TO_USER(alloc.region_offset, &block->start, sizeof(int))) { + if (DRM_COPY_TO_USER(alloc->region_offset, &block->start, + sizeof(int))) { DRM_ERROR("copy_to_user\n"); return -EFAULT; } @@ -255,11 +252,10 @@ int radeon_mem_alloc(DRM_IOCTL_ARGS) return 0; } -int radeon_mem_free(DRM_IOCTL_ARGS) +int radeon_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_mem_free_t memfree; + drm_radeon_mem_free_t *memfree = data; struct mem_block *block, **heap; if (!dev_priv) { @@ -267,14 +263,11 @@ int radeon_mem_free(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_mem_free_t __user *) data, - sizeof(memfree)); - - heap = get_heap(dev_priv, memfree.region); + heap = get_heap(dev_priv, memfree->region); if (!heap || !*heap) return -EFAULT; - block = find_block(*heap, memfree.region_offset); + block = find_block(*heap, memfree->region_offset); if (!block) return -EFAULT; @@ -285,11 +278,10 @@ int radeon_mem_free(DRM_IOCTL_ARGS) return 0; } -int radeon_mem_init_heap(DRM_IOCTL_ARGS) +int radeon_mem_init_heap(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_mem_init_heap_t initheap; + drm_radeon_mem_init_heap_t *initheap = data; struct mem_block **heap; if (!dev_priv) { @@ -297,11 +289,7 @@ int radeon_mem_init_heap(DRM_IOCTL_ARGS) return -EINVAL; } - DRM_COPY_FROM_USER_IOCTL(initheap, - (drm_radeon_mem_init_heap_t __user *) data, - sizeof(initheap)); - - heap = get_heap(dev_priv, initheap.region); + heap = get_heap(dev_priv, initheap->region); if (!heap) return -EFAULT; @@ -310,5 +298,5 @@ int radeon_mem_init_heap(DRM_IOCTL_ARGS) return -EFAULT; } - return init_heap(heap, initheap.start, initheap.size); + return init_heap(heap, initheap->start, initheap->size); } |