diff mbox series

[196/227] mm/hmm.c: remove unneeded local variable ret

Message ID 20220322214829.257E0C340EC@smtp.kernel.org (mailing list archive)
State New
Headers show
Series [001/227] linux/kthread.h: remove unused macros | expand

Commit Message

Andrew Morton March 22, 2022, 9:48 p.m. UTC 
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(-)
diff mbox series

Patch

--- 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