From 28e3fb705210cad61e419c1b8ee2a979df965fe8 Mon Sep 17 00:00:00 2001
From: Valentine Burley <valentine.burley@collabora.com>
Date: Thu, 19 Mar 2026 11:08:08 +0100
Subject: [PATCH] tu/drm/virtio: Add missing lock to virtio_bo_init_dmabuf

Lock vma mutex when freeing iova in virtio_bo_init_dmabuf.

Fixes: f17c5297d7a ("tu: Add virtgpu support")
Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40507>
---
 src/freedreno/vulkan/tu_knl_drm_virtio.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/freedreno/vulkan/tu_knl_drm_virtio.cc b/src/freedreno/vulkan/tu_knl_drm_virtio.cc
index 739bfc8a7cb..f2570c731fd 100644
--- a/src/freedreno/vulkan/tu_knl_drm_virtio.cc
+++ b/src/freedreno/vulkan/tu_knl_drm_virtio.cc
@@ -849,7 +849,9 @@ virtio_bo_init_dmabuf(struct tu_device *dev,
    result =
       tu_bo_init(dev, NULL, bo, handle, size, iova, flags, "dmabuf");
    if (result != VK_SUCCESS) {
+      mtx_lock(&dev->vma_mutex);
       util_vma_heap_free(&dev->vma, iova, size);
+      mtx_unlock(&dev->vma_mutex);
       memset(bo, 0, sizeof(*bo));
    } else {
       *out_bo = bo;