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Subject[PATCH] mm/huge_memory.c: Remove unnecessary local variable ret2
Date
There is no need to use a new local variable ret2 to get the return value
of handle_userfault(). Use ret directly to make code more succinct.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/huge_memory.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 395c75111d33..caf552834dbb 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -624,14 +624,12 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf,

/* Deliver the page fault to userland */
if (userfaultfd_missing(vma)) {
- vm_fault_t ret2;
-
spin_unlock(vmf->ptl);
put_page(page);
pte_free(vma->vm_mm, pgtable);
- ret2 = handle_userfault(vmf, VM_UFFD_MISSING);
- VM_BUG_ON(ret2 & VM_FAULT_FALLBACK);
- return ret2;
+ ret = handle_userfault(vmf, VM_UFFD_MISSING);
+ VM_BUG_ON(ret & VM_FAULT_FALLBACK);
+ return ret;
}

entry = mk_huge_pmd(page, vma->vm_page_prot);
--
2.19.1
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