From 89daf988bc7e90bf8d1f61db1570ea0502b4645c Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Thu, 4 Aug 2022 12:10:11 -0400
Subject: [PATCH] zink: use statically sized array for descriptor allocation

this will never be more than 100

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18051>
---
 src/gallium/drivers/zink/zink_descriptors.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/zink/zink_descriptors.c b/src/gallium/drivers/zink/zink_descriptors.c
index ed89912269f..3da4f9b419a 100644
--- a/src/gallium/drivers/zink/zink_descriptors.c
+++ b/src/gallium/drivers/zink/zink_descriptors.c
@@ -280,7 +280,8 @@ bool
 zink_descriptor_util_alloc_sets(struct zink_screen *screen, VkDescriptorSetLayout dsl, VkDescriptorPool pool, VkDescriptorSet *sets, unsigned num_sets)
 {
    VkDescriptorSetAllocateInfo dsai;
-   VkDescriptorSetLayout *layouts = alloca(sizeof(*layouts) * num_sets);
+   VkDescriptorSetLayout layouts[100];
+   assert(num_sets <= ARRAY_SIZE(layouts));
    memset((void *)&dsai, 0, sizeof(dsai));
    dsai.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
    dsai.pNext = NULL;