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From 819563fe631ebcd566e041dd761d3d4e60709e6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Mon, 30 Jul 2018 16:18:54 +0200
Subject: [PATCH 5026/5725] drm/amdgpu: return error if both BOs and bo_list
handle is given
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Return -EINVAL when both the BOs as well as a list handle is provided in
the IOCTL.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 5a466ce..fae6b58 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -572,14 +572,17 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
INIT_LIST_HEAD(&p->validated);
/* p->bo_list could already be assigned if AMDGPU_CHUNK_ID_BO_HANDLES is present */
- if (p->bo_list) {
- mutex_lock(&p->bo_list->lock);
+ if (cs->in.bo_list_handle) {
+ if (p->bo_list)
+ return -EINVAL;
- } else if (cs->in.bo_list_handle) {
r = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle,
&p->bo_list);
if (r)
return r;
+
+ } else if (p->bo_list) {
+ mutex_lock(&p->bo_list->lock);
}
if (p->bo_list) {
--
2.7.4
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