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Diffstat (limited to 'bsd-core/drm_drawable.c')
-rw-r--r--bsd-core/drm_drawable.c56
1 files changed, 23 insertions, 33 deletions
diff --git a/bsd-core/drm_drawable.c b/bsd-core/drm_drawable.c
index bc3ad571..ad25a6df 100644
--- a/bsd-core/drm_drawable.c
+++ b/bsd-core/drm_drawable.c
@@ -64,36 +64,23 @@ drm_get_drawable_info(drm_device_t *dev, int handle)
return &result->info;
}
-static struct drm_drawable_info *
-drm_drawable_info_alloc(drm_device_t *dev, int handle)
+int drm_adddraw(DRM_IOCTL_ARGS)
{
+ DRM_DEVICE;
+ drm_draw_t draw;
struct bsd_drm_drawable_info *info;
info = drm_calloc(1, sizeof(struct bsd_drm_drawable_info),
DRM_MEM_DRAWABLE);
if (info == NULL)
- return NULL;
+ return ENOMEM;
- info->handle = handle;
+ info->handle = alloc_unr(dev->drw_unrhdr);
+ DRM_SPINLOCK(&dev->drw_lock);
RB_INSERT(drawable_tree, &dev->drw_head, info);
+ draw.handle = info->handle;
+ DRM_SPINUNLOCK(&dev->drw_lock);
- return &info->info;
-}
-
-static void
-drm_drawable_info_free(drm_device_t *dev, struct drm_drawable_info *info)
-{
- RB_REMOVE(drawable_tree, &dev->drw_head,
- (struct bsd_drm_drawable_info *)info);
- drm_free(info, sizeof(struct bsd_drm_drawable_info), DRM_MEM_DRAWABLE);
-}
-
-int drm_adddraw(DRM_IOCTL_ARGS)
-{
- DRM_DEVICE;
- drm_draw_t draw;
-
- draw.handle = alloc_unr(dev->drw_unrhdr);
DRM_DEBUG("%d\n", draw.handle);
DRM_COPY_TO_USER_IOCTL((drm_draw_t *)data, draw, sizeof(draw));
@@ -107,14 +94,19 @@ int drm_rmdraw(DRM_IOCTL_ARGS)
drm_draw_t *draw = (drm_draw_t *)data;
struct drm_drawable_info *info;
- free_unr(dev->drw_unrhdr, draw->handle);
-
+ DRM_SPINLOCK(&dev->drw_lock);
info = drm_get_drawable_info(dev, draw->handle);
if (info != NULL) {
- drm_drawable_info_free(dev, info);
+ RB_REMOVE(drawable_tree, &dev->drw_head,
+ (struct bsd_drm_drawable_info *)info);
+ DRM_SPINUNLOCK(&dev->drw_lock);
+ free_unr(dev->drw_unrhdr, draw->handle);
+ drm_free(info, sizeof(struct bsd_drm_drawable_info),
+ DRM_MEM_DRAWABLE);
+ } else {
+ DRM_SPINUNLOCK(&dev->drw_lock);
+ return EINVAL;
}
-
- return 0;
}
int drm_update_draw(DRM_IOCTL_ARGS)
@@ -122,13 +114,11 @@ int drm_update_draw(DRM_IOCTL_ARGS)
DRM_DEVICE;
struct drm_drawable_info *info;
struct drm_update_draw *update = (struct drm_update_draw *)data;
+ int ret;
info = drm_get_drawable_info(dev, update->handle);
- if (info == NULL) {
- info = drm_drawable_info_alloc(dev, update->handle);
- if (info == NULL)
- return ENOMEM;
- }
+ if (info == NULL)
+ return EINVAL;
switch (update->type) {
case DRM_DRAWABLE_CLIPRECTS:
@@ -152,10 +142,10 @@ int drm_update_draw(DRM_IOCTL_ARGS)
info->num_rects = update->num;
}
/* For some reason the pointer arg is unsigned long long. */
- copyin((void *)(intptr_t)update->data, info->rects,
+ ret = copyin((void *)(intptr_t)update->data, info->rects,
sizeof(*info->rects) * info->num_rects);
DRM_SPINUNLOCK(&dev->drw_lock);
- return 0;
+ return ret;
default:
return EINVAL;
}