From dbfeec62c3852293d5f029db73ff7d63ff0f14e5 Mon Sep 17 00:00:00 2001
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Date: Tue, 7 Apr 2020 09:42:39 +0200
Subject: [PATCH] mesa: fix crash in find_value
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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4584>
---
 src/mesa/main/get.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 7e9767d..48f43cb 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -1619,8 +1619,12 @@ find_value(const char *func, GLenum pname, void **p, union value *v)
       if (ctx->Texture.CurrentUnit < ARRAY_SIZE(ctx->Texture.FixedFuncUnit)) {
          unsigned index = ctx->Texture.CurrentUnit;
          *p = ((char *)&ctx->Texture.FixedFuncUnit[index] + d->offset);
+         return d;
       }
-      return d;
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s,unit=%d)", func,
+                  _mesa_enum_to_string(pname),
+                  ctx->Texture.CurrentUnit);
+      return &error_value;
    case LOC_CUSTOM:
       find_custom_value(ctx, d, v);
       *p = v;
-- 
2.7.4