From: jsg <jsg@openbsd.org>
Date: Thu, 19 Jan 2023 00:32:55 +0000 (+0000)
Subject: drm/amdgpu: Fix potential NULL dereference
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=6ea665e5ae560043f27349b8fc11a10158f466c6;p=openbsd

drm/amdgpu: Fix potential NULL dereference

From Luben Tuikov
f2faf0699af78968a27ca154bf76e94247f8c471 in linux-6.1.y/6.1.7
0be7ed8e7eb15282b5d0f6fdfea884db594ea9bf in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_object.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_object.c
index 80e4beabb33..edc3cbd3764 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_object.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_object.c
@@ -469,8 +469,9 @@ static bool amdgpu_bo_validate_size(struct amdgpu_device *adev,
 	return true;
 
 fail:
-	DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
-		  man->size);
+	if (man)
+		DRM_DEBUG("BO size %lu > total memory in domain: %llu\n", size,
+			  man->size);
 	return false;
 }