From: jsg <jsg@openbsd.org>
Date: Fri, 7 Apr 2023 03:52:40 +0000 (+0000)
Subject: drm/amdkfd: fix a potential double free in pqm_create_queue
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=d9a4830802897b1c2ad56ce5f35536c57547d87a;p=openbsd

drm/amdkfd: fix a potential double free in pqm_create_queue

From Chia-I Wu
b861f0e62ae148eb5f0a48c4d6fcd5dc03b4e252 in linux-6.1.y/6.1.23
b2ca5c5d416b4e72d1e9d0293fc720e2d525fd42 in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/amdkfd/kfd_process_queue_manager.c b/sys/dev/pci/drm/amd/amdkfd/kfd_process_queue_manager.c
index 5137476ec18..4236539d9f9 100644
--- a/sys/dev/pci/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/sys/dev/pci/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -218,8 +218,8 @@ static int init_user_queue(struct process_queue_manager *pqm,
 	return 0;
 
 cleanup:
-	if (dev->shared_resources.enable_mes)
-		uninit_queue(*q);
+	uninit_queue(*q);
+	*q = NULL;
 	return retval;
 }