Commit d0977efa authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

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: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarMuchun Song <songmuchun@bytedance.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 737b6a10

mm/hmm.c

+1 −2
Original line number Diff line number Diff line
@@ -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