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authorMiaohe Lin <linmiaohe@huawei.com>2022-03-22 14:48:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 15:57:12 -0700
commitd0977efab8ffb13c092c92dba0af22edcb754571 (patch)
tree0223bc8ac5997098863694f63e5541c4ac7243c7
parent737b6a10ac19e41877aa1911bf6b361a72a88ad9 (diff)
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/hmm.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/hmm.c b/mm/hmm.c
index bd56641c79d4..af71aac3140e 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -417,7 +417,6 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
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, unsigned long start, unsigned long end,
out_unlock:
spin_unlock(ptl);
- return ret;
+ return 0;
}
#else
#define hmm_vma_walk_pud NULL