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authorChristian König <christian.koenig@amd.com>2018-07-27 15:32:04 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-07-31 16:58:16 -0500
commit52c054caf83012fe9fe858ee86d90b4ea2cc3cca (patch)
tree614a12fd37355647ceef8c1bcc3455c695a2641f /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
parentccf9ef0b0d10434dec5046bcfc4e834a7b1830fd (diff)
drm/amdgpu: add proper error handling to amdgpu_bo_list_get
Otherwise we silently don't use a BO list when the handle is invalid. 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> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 533b2e7656c0..8a49c3b97bd4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -572,11 +572,16 @@ 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)
- p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle);
- else
+ if (p->bo_list) {
mutex_lock(&p->bo_list->lock);
+ } 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;
+ }
+
if (p->bo_list) {
amdgpu_bo_list_get_list(p->bo_list, &p->validated);
if (p->bo_list->first_userptr != p->bo_list->num_entries)