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From c950088f56e13dbf3229b7b4c7fc44bdf3d3bc0b Mon Sep 17 00:00:00 2001
From: Kent Russell <kent.russell@amd.com>
Date: Tue, 21 Nov 2017 08:47:22 -0500
Subject: [PATCH 2867/4131] drm/amdkfd: Check for NULL return on kzalloc
We can get a NULL return from kzalloc, so check for it.
Change-Id: Id8c0113ef49a9f75ffe74318852fa6eb5563ecf5
Signed-off-by: Kent Russell <kent.russell@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index 9a219c0..977fcf9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -109,6 +109,8 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
*/
if (kfd->cwsr_enabled && (q->type == KFD_QUEUE_TYPE_COMPUTE)) {
*mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_NOIO);
+ if (!*mqd_mem_obj)
+ return -ENOMEM;
retval = kfd->kfd2kgd->init_gtt_mem_allocation(kfd->kgd,
ALIGN(q->ctl_stack_size, PAGE_SIZE) +
ALIGN(sizeof(struct v9_mqd), PAGE_SIZE),
--
2.7.4
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