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mm/hmm.c: remove unneeded local variable ret

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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>
This commit is contained in:
Miaohe Lin 2022-03-22 14:48:28 -07:00 committed by Linus Torvalds
parent 737b6a10ac
commit d0977efab8
1 changed files with 1 additions and 2 deletions
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mm/hmm.c
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@ -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; struct hmm_range *range = hmm_vma_walk->range;
unsigned long addr = start; unsigned long addr = start;
pud_t pud; pud_t pud;
int ret = 0;
spinlock_t *ptl = pud_trans_huge_lock(pudp, walk->vma); spinlock_t *ptl = pud_trans_huge_lock(pudp, walk->vma);
if (!ptl) if (!ptl)
@ -466,7 +465,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
out_unlock: out_unlock:
spin_unlock(ptl); spin_unlock(ptl);
return ret; return 0;
} }
#else #else
#define hmm_vma_walk_pud NULL #define hmm_vma_walk_pud NULL