Re: [PATCH 1/2] drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs()

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Can't find these anywhere yet, errors still there.

https://patchwork.freedesktop.org/series/31220/

Regards
//Ernst

2017-09-30 10:25 GMT+02:00 Christian König <christian.koenig@xxxxxxx>:
> Am 30.09.2017 um 10:13 schrieb Dan Carpenter:
>>
>> We shifted some code around in commit 9cca0b8e5df0 ("drm/amdgpu: move
>> amdgpu_cs_sysvm_access_required into find_mapping") and now my static
>> checker complains that "r" might not be initialized at the end of the
>> function.  I've reviewed the code, and that seems possible, but it's
>> also possible I may have missed something.
>>
>> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
>
> Good catches, Reviewed-by: Christian König <christian.koenig@xxxxxxx> for
> both patches.
>
>
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> index b46280c1279f..2918de2f39ec 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
>> @@ -648,7 +648,7 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser
>> *p, uint32_t ib_idx)
>>         uint32_t allocated = 0;
>>         uint32_t tmp, handle = 0;
>>         uint32_t *size = &tmp;
>> -       int i, r, idx = 0;
>> +       int i, r = 0, idx = 0;
>>         p->job->vm = NULL;
>>         ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
>
>
>
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