From: Oded Gabbay <oded.gabbay@amd.com>
Date: Thu, 22 Jan 2015 09:40:06 +0000 (+0200)
Subject: drm/amdkfd: Handle case of invalid queue type
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7113cd652969fe1a59a9560e700000633df6a3e1;p=linux-beck.git

drm/amdkfd: Handle case of invalid queue type

This patch handles a case where amdkfd tries to destroy a queue but the queue
type is invalid.
This case occurs in non-HWS path.

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
---

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 85387c8b296c..99e2dbbb4862 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -301,6 +301,11 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm,
 		}
 		dqm->sdma_queue_count--;
 		deallocate_sdma_queue(dqm, q->sdma_id);
+	} else {
+		pr_debug("q->properties.type is invalid (%d)\n",
+				q->properties.type);
+		retval = -EINVAL;
+		goto out;
 	}
 
 	retval = mqd->destroy_mqd(mqd, q->mqd,