Messages in this thread | | | Subject | Re: [PATCH 1/2] staging: android: ion: Remove dead code in ion_page_pool_free | From | Yisheng Xie <> | Date | Mon, 12 Feb 2018 19:40:58 +0800 |
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Hi Greg,
JFYI, I have rebase this patchset to v4.15-rc1.[1]
[1] https://lkml.org/lkml/2018/2/12/204
Thanks Yisheng
On 2018/2/5 11:26, 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. > > Signed-off-by: Yisheng Xie <xieyisheng1@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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