[PATCH 03/18] worker: improve some pre-conditions

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

From: Marc-André Lureau <marcandre.lureau@xxxxxxxxx>

---
 server/red_worker.c | 35 ++---------------------------------
 1 file changed, 2 insertions(+), 33 deletions(-)

diff --git a/server/red_worker.c b/server/red_worker.c
index 6e859fe..f6dfe28 100644
--- a/server/red_worker.c
+++ b/server/red_worker.c
@@ -223,8 +223,8 @@ void drawable_pipe_item_unref(DrawablePipeItem *dpi)
         return;
     }
 
-    spice_warn_if_fail(!ring_item_is_linked(&dpi->dpi_pipe_item.link));
-    spice_warn_if_fail(!ring_item_is_linked(&dpi->base));
+    spice_return_if_fail(!ring_item_is_linked(&dpi->dpi_pipe_item.link));
+    spice_return_if_fail(!ring_item_is_linked(&dpi->base));
     display_channel_drawable_unref(display, dpi->drawable);
     free(dpi);
 }
@@ -236,33 +236,6 @@ QXLInstance* red_worker_get_qxl(RedWorker *worker)
     return worker->qxl;
 }
 
-static int validate_drawable_bbox(RedWorker *worker, RedDrawable *drawable)
-{
-        DrawContext *context;
-        uint32_t surface_id = drawable->surface_id;
-
-        /* surface_id must be validated before calling into
-         * validate_drawable_bbox
-         */
-        VALIDATE_SURFACE_RETVAL(worker->display_channel, surface_id, FALSE);
-        context = &worker->display_channel->surfaces[surface_id].context;
-
-        if (drawable->bbox.top < 0)
-                return FALSE;
-        if (drawable->bbox.left < 0)
-                return FALSE;
-        if (drawable->bbox.bottom < 0)
-                return FALSE;
-        if (drawable->bbox.right < 0)
-                return FALSE;
-        if (drawable->bbox.bottom > context->height)
-                return FALSE;
-        if (drawable->bbox.right > context->width)
-                return FALSE;
-
-        return TRUE;
-}
-
 static inline int validate_surface(DisplayChannel *display, uint32_t surface_id)
 {
     if SPICE_UNLIKELY(surface_id >= display->n_surfaces) {
@@ -1098,10 +1071,6 @@ static Drawable *get_drawable(RedWorker *worker, uint8_t effect, RedDrawable *re
     int x;
 
     VALIDATE_SURFACE_RETVAL(display, red_drawable->surface_id, NULL)
-    if (!validate_drawable_bbox(worker, red_drawable)) {
-        rendering_incorrect(__func__);
-        return NULL;
-    }
     for (x = 0; x < 3; ++x) {
         if (red_drawable->surface_deps[x] != -1) {
             VALIDATE_SURFACE_RETVAL(display, red_drawable->surface_deps[x], NULL)
-- 
2.4.3

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