On Wed, Aug 23, 2017 at 4:39 AM, Christian König
<christian.koenig@xxxxxxx> wrote:
> Am 23.08.2017 um 07:52 schrieb Christophe JAILLET:
>>
>> Check memory allocation failure and return -ENOMEM in such a case.
>>
>> 'num_post_dep_syncobjs' still has to be set to 0 before the test in order
>> to have it initialized if 'amdgpu_cs_parser_fini()' is called to free
>> resources.
>>
>> The calling graph would be, in such a case!
>> failure in amdgpu_cs_process_syncobj_out_dep()
>> ---> error code returned by amdgpu_cs_dependencies()
>> --> amdgpu_cs_parser_fini() is called
>>
>> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
>
>
> Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Applied. thanks!
Alex
>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> index 15d4a28d73bb..baa90df90aea 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> @@ -1079,6 +1079,9 @@ static int amdgpu_cs_process_syncobj_out_dep(struct
>> amdgpu_cs_parser *p,
>> GFP_KERNEL);
>> p->num_post_dep_syncobjs = 0;
>> + if (!p->post_dep_syncobjs)
>> + return -ENOMEM;
>> +
>> for (i = 0; i < num_deps; ++i) {
>> p->post_dep_syncobjs[i] = drm_syncobj_find(p->filp,
>> deps[i].handle);
>> if (!p->post_dep_syncobjs[i])
>
>
>
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