From 81f75e2a2dd803676d8db46207064e5724390559 Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Mon, 29 Jul 2024 14:41:09 +0200
Subject: [PATCH] rusticl/api: protect against 0 length in
 slice::from_raw_parts

Fixes: 84d16045d03 ("rusticl/api: add param to query which contains application provided values")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30410>
---
 src/gallium/frontends/rusticl/api/util.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/frontends/rusticl/api/util.rs b/src/gallium/frontends/rusticl/api/util.rs
index 4a6d765f17c..db2e6cf449b 100644
--- a/src/gallium/frontends/rusticl/api/util.rs
+++ b/src/gallium/frontends/rusticl/api/util.rs
@@ -26,7 +26,7 @@ pub trait CLInfo<I> {
         param_value: *mut ::std::os::raw::c_void,
         param_value_size_ret: *mut usize,
     ) -> CLResult<()> {
-        let arr = if !param_value.is_null() {
+        let arr = if !param_value.is_null() && param_value_size != 0 {
             unsafe { slice::from_raw_parts(param_value.cast(), param_value_size) }
         } else {
             &[]