From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Wed, 21 Aug 2019 16:30:12 +0000 (-0700)
Subject: panfrost: Prevent potential integer overflow in instancing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9cee21f0c9aba71c6cfaaade5782aa805287e139;p=mesa.git

panfrost: Prevent potential integer overflow in instancing

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
---

diff --git a/src/gallium/drivers/panfrost/pan_instancing.c b/src/gallium/drivers/panfrost/pan_instancing.c
index cd93fa7be9c..30023725b2e 100644
--- a/src/gallium/drivers/panfrost/pan_instancing.c
+++ b/src/gallium/drivers/panfrost/pan_instancing.c
@@ -228,7 +228,7 @@ panfrost_vertex_instanced(
 
                 /* Apply round-down algorithm? e <= 2^shift?. XXX: The blob
                  * seems to use a different condition */
-                if (e <= (1 << shift)) {
+                if (e <= (1ll << shift)) {
                         magic_divisor = m - 1;
                         extra_flags = 1;
                 }