diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/mm/fault_32.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 0c776fdfbdd..e8efda9846b 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -61,7 +61,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, pgd = get_TTB() + offset; pgd_k = swapper_pg_dir + offset; - /* This will never happen with the folded page table. */ if (!pgd_present(*pgd)) { if (!pgd_present(*pgd_k)) goto bad_area_nosemaphore; @@ -71,9 +70,13 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, pud = pud_offset(pgd, address); pud_k = pud_offset(pgd_k, address); - if (pud_present(*pud) || !pud_present(*pud_k)) - goto bad_area_nosemaphore; - set_pud(pud, *pud_k); + + if (!pud_present(*pud)) { + if (!pud_present(*pud_k)) + goto bad_area_nosemaphore; + set_pud(pud, *pud_k); + return; + } pmd = pmd_offset(pud, address); pmd_k = pmd_offset(pud_k, address); |