From 88a45aa6083be000dc18c38a339acb1fd2f9831c Mon Sep 17 00:00:00 2001
From: Andrew Martin <Andrew.Martin@amd.com>
Date: Tue, 10 Dec 2024 11:50:13 -0500
Subject: [PATCH] drm/amdkfd: Failed to check various return code

This patch checks and warns if pdd is NULL.

Signed-off-by: Andrew Martin <Andrew.Martin@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 16b5daaa272f1..1405e8affd484 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -2388,6 +2388,9 @@ static int wait_on_destroy_queue(struct device_queue_manager *dqm,
 								q->process);
 	int ret = 0;
 
+	if (WARN_ON(!pdd))
+		return ret;
+
 	if (pdd->qpd.is_debug)
 		return ret;
 
-- 
2.39.5