From 66e9bbdb3dbb335b158bb88de2642966af816ffe Mon Sep 17 00:00:00 2001 From: Dominik Dingel Date: Mon, 6 Oct 2014 16:34:44 +0200 Subject: s390/mm: fixing calls of pte_unmap_unlock pte_unmap works on page table entry pointers, derefencing should be avoided. As on s390 pte_unmap is a NOP, this is more a cleanup if we want to supply later such function. Signed-off-by: Dominik Dingel Reviewed-by: Thomas Huth Signed-off-by: Martin Schwidefsky --- arch/s390/mm/pgtable.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 296b61a4af59..1b79ca67392f 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -656,7 +656,7 @@ void __gmap_zap(struct gmap *gmap, unsigned long gaddr) } pgste_set_unlock(ptep, pgste); out_pte: - pte_unmap_unlock(*ptep, ptl); + pte_unmap_unlock(ptep, ptl); } EXPORT_SYMBOL_GPL(__gmap_zap); @@ -943,7 +943,7 @@ retry: } if (!(pte_val(*ptep) & _PAGE_INVALID) && (pte_val(*ptep) & _PAGE_PROTECT)) { - pte_unmap_unlock(*ptep, ptl); + pte_unmap_unlock(ptep, ptl); if (fixup_user_fault(current, mm, addr, FAULT_FLAG_WRITE)) { up_read(&mm->mmap_sem); return -EFAULT; @@ -974,7 +974,7 @@ retry: pgste_val(new) |= PGSTE_UC_BIT; pgste_set_unlock(ptep, new); - pte_unmap_unlock(*ptep, ptl); + pte_unmap_unlock(ptep, ptl); up_read(&mm->mmap_sem); return 0; } -- cgit v1.2.3-59-g8ed1b