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| author | Dominik Dingel <dingel@linux.vnet.ibm.com> | 2014-10-06 18:34:44 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-10-15 18:56:27 +0400 |
| commit | 66e9bbdb3dbb335b158bb88de2642966af816ffe (patch) | |
| tree | 511fbc5d45b696ddda37cb3d217171963163f2c3 /arch/s390 | |
| parent | c9eeb7b813c9525cda34b61dcf4455c52fc58890 (diff) | |
| download | linux-66e9bbdb3dbb335b158bb88de2642966af816ffe.tar.xz | |
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 <dingel@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 6 |
1 files changed, 3 insertions, 3 deletions
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; } |