[PATCH] drm/radeon/kms: clean up CS flags chunk processing

[Alex Deucher]

On Thu, Jan 5, 2012 at 5:08 AM, Dave Airlie <airlied at gmail.com> wrote:
> Can you rebase this onto -next, I've no idea what it applies against.

You can skip this.  I just rolled it into the VM patch.

Alex

>
> Dave.
>
>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>> ---
>>  drivers/gpu/drm/radeon/radeon_cs.c |    7 +++----
>>  1 files changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
>> index de3cac0..e30a36f 100644
>> --- a/drivers/gpu/drm/radeon/radeon_cs.c
>> +++ b/drivers/gpu/drm/radeon/radeon_cs.c
>> @@ -203,10 +203,9 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
>>                }
>>                if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) {
>>                        p->chunk_flags_idx = i;
>> -               }
>> -               if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS &&
>> -                   !p->chunks[i].length_dw) {
>> -                       return -EINVAL;
>> +                       /* zero length flags aren't useful */
>> +                       if (p->chunks[i].length_dw == 0)
>> +                               return -EINVAL;
>>                }
>>
>>                p->chunks[i].length_dw = user_chunk.length_dw;
>> --
>> 1.7.3.4
>>