From 66aefea02b29f61be28abe71665e05e8d1a4e41a Mon Sep 17 00:00:00 2001
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Date: Thu, 11 Sep 2025 16:22:44 +0200
Subject: [PATCH] mesa: clear TransformFeedback.NumVarying on error
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The memory is freed before trying to reallocate it.
If the alloc fails, NumVarying should be updated to 0.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37331>
---
 src/mesa/main/transformfeedback.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c
index 4fe75792c7c..cbff53bc235 100644
--- a/src/mesa/main/transformfeedback.c
+++ b/src/mesa/main/transformfeedback.c
@@ -884,6 +884,7 @@ transform_feedback_varyings(struct gl_context *ctx,
 
    if (!shProg->TransformFeedback.VaryingNames) {
       _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTransformFeedbackVaryings()");
+      shProg->TransformFeedback.NumVarying = 0;
       return;
    }