Re: [PATCH] ion: hisilicon: check the right value after ion_heap_create

From: Laura Abbott
Date: Fri May 05 2017 - 11:44:46 EST


On 05/04/2017 08:32 PM, Yisheng Xie wrote:
> Hi Laura,
>
> On 2017/5/5 1:47, Laura Abbott wrote:
>> On 05/04/2017 07:45 AM, Yisheng Xie wrote:
>>> From: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
>>>
>>> It should check ipdev->heaps[i] whether it is error or null instead of
>>> ipdev->heaps, after ion_heap_create() for ipdev->heaps[i].
>>>
>>> Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
>>> ---
>>> drivers/staging/android/ion/hisilicon/hi6220_ion.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/staging/android/ion/hisilicon/hi6220_ion.c b/drivers/staging/android/ion/hisilicon/hi6220_ion.c
>>> index 0de7897..7f8eda5 100644
>>> --- a/drivers/staging/android/ion/hisilicon/hi6220_ion.c
>>> +++ b/drivers/staging/android/ion/hisilicon/hi6220_ion.c
>>> @@ -66,7 +66,7 @@ static int hi6220_ion_probe(struct platform_device *pdev)
>>>
>>> for (i = 0; i < ipdev->data->nr; i++) {
>>> ipdev->heaps[i] = ion_heap_create(&ipdev->data->heaps[i]);
>>> - if (!ipdev->heaps) {
>>> + if (IS_ERR_OR_NULL(ipdev->heaps[i])) {
>>> ion_destroy_platform_data(ipdev->data);
>>> return -ENOMEM;
>>> }
>>>
>>
>> This file was removed in a recent clean up series.
> I see, but maybe you should clean up more totally, I mean you should also
> remove ./drivers/staging/android/ion/devicetree.txt for it is also useless.
>
> Thanks
> Yisheng Xie
>

Thanks for letting me know. Feel free to submit a patch to remove it.

Thanks,
Laura