[PATCH] mm/hmm.c: remove unneeded local variable ret

From: Miaohe Lin
Date: Tue Jan 25 2022 - 07:51:50 EST


The local variable ret is always 0. Remove it to make code more tight.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/hmm.c | 3 +--
1 file changed, 1 insertion(+), 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
--
2.23.0