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mm/huge_memory.c: remove unnecessary local variable ret2

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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.

Link: https://lkml.kernel.org/r/20210210072409.60587-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Kravetz <mike.kravetz@oracle.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 2021-05-04 18:33:49 -07:00 committed by Linus Torvalds
parent 74e579bf23
commit 8fd5eda4c7
1 changed files with 3 additions and 5 deletions
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8
mm/huge_memory.c
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@ -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);