commit 9cee21f0c9aba71c6cfaaade5782aa805287e139
author Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Wed Aug 21 09:30:12 2019 -0700
committer Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Wed Aug 21 10:38:31 2019 -0700
tree 62c5113e3a2953fb4bb801511e6a3927443c258e
parent 5bdc9096b7c2aa4c5363a5c0a592e6d7ff7b34ed

panfrost: Prevent potential integer overflow in instancing

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

src/gallium/drivers/panfrost/pan_instancing.c

diff --git a/src/gallium/drivers/panfrost/pan_instancing.c b/src/gallium/drivers/panfrost/pan_instancing.c
index cd93fa7..3002372 100644
--- a/src/gallium/drivers/panfrost/pan_instancing.c
+++ b/src/gallium/drivers/panfrost/pan_instancing.c
@@ -228,7 +228,7 @@
 
                 /* 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;
                 }