From: jsg <jsg@openbsd.org>
Date: Mon, 5 Aug 2024 02:33:42 +0000 (+0000)
Subject: drm/amdgpu: Check if NBIO funcs are NULL in amdgpu_device_baco_exit
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=d98eb4da7ff4b636e687f71a1a8d95237e48c7e1;p=openbsd

drm/amdgpu: Check if NBIO funcs are NULL in amdgpu_device_baco_exit

From Friedrich Vock
67b4592a7d74e57a5a0929eaf3ae30414ebd39ae in linux-6.6.y/6.6.44
0cdb3f9740844b9d95ca413e3fcff11f81223ecf in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
index 7e894d9a70b..81464ea3ab3 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c
@@ -5775,7 +5775,7 @@ int amdgpu_device_baco_exit(struct drm_device *dev)
 	    adev->nbio.funcs->enable_doorbell_interrupt)
 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
 
-	if (amdgpu_passthrough(adev) &&
+	if (amdgpu_passthrough(adev) && adev->nbio.funcs &&
 	    adev->nbio.funcs->clear_doorbell_interrupt)
 		adev->nbio.funcs->clear_doorbell_interrupt(adev);