[PATCH 1/2] staging: android: ion: Remove dead code in ion_page_pool_free
Laura Abbott
labbott at redhat.com
Tue Feb 6 23:11:15 UTC 2018
On 02/06/2018 03:10 PM, Laura Abbott wrote:
> On 02/04/2018 07:26 PM, Yisheng Xie wrote:
>> ion_page_pool_add will always return 0, however ion_page_pool_free will
>> call ion_page_pool_free_pages when ion_page_pool_add's return value is
>> not 0, so it is a dead code which can be removed.
>>
>
> Can you clean up ion_page_pool_add to be a void return as well?
> No sense in having it just always return 0.
>
Nevermind, just saw the follow up patch. Both of them:
Acked-by: Laura Abbott <labbott at redhat.com>
>> Signed-off-by: Yisheng Xie <xieyisheng1 at huawei.com>
>> ---
>> drivers/staging/android/ion/ion_page_pool.c | 6 +-----
>> 1 file changed, 1 insertion(+), 5 deletions(-)
>>
>> diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c
>> index 4452e28..150626f 100644
>> --- a/drivers/staging/android/ion/ion_page_pool.c
>> +++ b/drivers/staging/android/ion/ion_page_pool.c
>> @@ -79,13 +79,9 @@ struct page *ion_page_pool_alloc(struct ion_page_pool *pool)
>> void ion_page_pool_free(struct ion_page_pool *pool, struct page *page)
>> {
>> - int ret;
>> -
>> BUG_ON(pool->order != compound_order(page));
>> - ret = ion_page_pool_add(pool, page);
>> - if (ret)
>> - ion_page_pool_free_pages(pool, page);
>> + ion_page_pool_add(pool, page);
>> }
>> static int ion_page_pool_total(struct ion_page_pool *pool, bool high)
>>
>
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