From: Francisco Jerez <currojerez@riseup.net>
Date: Sun, 31 Oct 2010 18:00:31 +0000 (+0100)
Subject: dri/nouveau: Fix type promotion issue on 32bit platforms.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=453b71855294508fce8358134f9bf5316043b834;p=mesa.git

dri/nouveau: Fix type promotion issue on 32bit platforms.

Fixes some VTX protection errors introduced by e89af209261.
---

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c b/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
index 9437fc98788..3d8f43ffb4a 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_vbo_t.c
@@ -269,7 +269,7 @@ check_update_array(struct nouveau_array *a, unsigned offset,
 
 	if (a->bo == bo) {
 		if (delta < 0)
-			delta = (offset - (long)a->offset) / a->stride;
+			delta = ((int)offset - (int)a->offset) / a->stride;
 
 		dirty = (delta < 0 ||
 			 offset != (a->offset + delta * a->stride));