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Diffstat (limited to 'arch')
-rw-r--r--arch/arc/mm/fault.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index f8994164fa36..5787c261c9a4 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -36,31 +36,31 @@ noinline static int handle_kernel_vaddr_fault(unsigned long address)
pgd = pgd_offset(current->active_mm, address);
pgd_k = pgd_offset_k(address);
- if (!pgd_present(*pgd_k))
+ if (pgd_none (*pgd_k))
goto bad_area;
-
- set_pgd(pgd, *pgd_k);
+ if (!pgd_present(*pgd))
+ set_pgd(pgd, *pgd_k);
p4d = p4d_offset(pgd, address);
p4d_k = p4d_offset(pgd_k, address);
- if (!p4d_present(*p4d_k))
+ if (p4d_none(*p4d_k))
goto bad_area;
-
- set_p4d(p4d, *p4d_k);
+ if (!p4d_present(*p4d))
+ set_p4d(p4d, *p4d_k);
pud = pud_offset(p4d, address);
pud_k = pud_offset(p4d_k, address);
- if (!pud_present(*pud_k))
+ if (pud_none(*pud_k))
goto bad_area;
-
- set_pud(pud, *pud_k);
+ if (!pud_present(*pud))
+ set_pud(pud, *pud_k);
pmd = pmd_offset(pud, address);
pmd_k = pmd_offset(pud_k, address);
- if (!pmd_present(*pmd_k))
+ if (pmd_none(*pmd_k))
goto bad_area;
-
- set_pmd(pmd, *pmd_k);
+ if (!pmd_present(*pmd))
+ set_pmd(pmd, *pmd_k);
/* XXX: create the TLB entry here */
return 0;