| From: Miaohe Lin <linmiaohe@huawei.com> |
| Subject: mm/hmm.c: remove unneeded local variable ret |
| |
| The local variable ret is always 0. Remove it to make code more tight. |
| |
| Link: https://lkml.kernel.org/r/20220125124833.39718-1-linmiaohe@huawei.com |
| Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> |
| Reviewed-by: Muchun Song <songmuchun@bytedance.com> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| mm/hmm.c | 3 +-- |
| 1 file changed, 1 insertion(+), 2 deletions(-) |
| |
| --- a/mm/hmm.c~mm-hmmc-remove-unneeded-local-variable-ret |
| +++ a/mm/hmm.c |
| @@ -417,7 +417,6 @@ static int hmm_vma_walk_pud(pud_t *pudp, |
| struct hmm_range *range = hmm_vma_walk->range; |
| unsigned long addr = start; |
| pud_t pud; |
| - int ret = 0; |
| spinlock_t *ptl = pud_trans_huge_lock(pudp, walk->vma); |
| |
| if (!ptl) |
| @@ -466,7 +465,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, |
| |
| out_unlock: |
| spin_unlock(ptl); |
| - return ret; |
| + return 0; |
| } |
| #else |
| #define hmm_vma_walk_pud NULL |
| _ |
