diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-20 00:02:47 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-20 00:02:47 +0400 |
| commit | dfc568e6bc08916f1035af456e4631c47166b5cf (patch) | |
| tree | 3c96bdc26687e0f6958e790c8c93c0c6efb6b8d6 /arch/parisc/mm | |
| parent | fdf91dae6f024c6dfee425fe754df6b1957f6c53 (diff) | |
| parent | 31d141e3a666269a3b6fcccddb0351caf7454240 (diff) | |
| download | linux-dfc568e6bc08916f1035af456e4631c47166b5cf.tar.xz | |
Merge 3.12-rc6 into char-misc-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc/mm')
| -rw-r--r-- | arch/parisc/mm/fault.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index d10d27a720c0..0293588d5b8c 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -171,17 +171,25 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, unsigned long address) { struct vm_area_struct *vma, *prev_vma; - struct task_struct *tsk = current; - struct mm_struct *mm = tsk->mm; + struct task_struct *tsk; + struct mm_struct *mm; unsigned long acc_type; int fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags; - if (in_atomic() || !mm) + if (in_atomic()) goto no_context; + tsk = current; + mm = tsk->mm; + if (!mm) + goto no_context; + + flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; if (user_mode(regs)) flags |= FAULT_FLAG_USER; + + acc_type = parisc_acctyp(code, regs->iir); if (acc_type & VM_WRITE) flags |= FAULT_FLAG_WRITE; retry: @@ -196,8 +204,6 @@ retry: good_area: - acc_type = parisc_acctyp(code,regs->iir); - if ((vma->vm_flags & acc_type) != acc_type) goto bad_area; |