diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-20 00:14:34 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-20 00:14:34 +0400 |
| commit | f7a0fd56e4f58aec3300082fc10433052e2f1863 (patch) | |
| tree | 4b3348f4866f6b3417f456a298229d63d4581424 /arch/parisc/mm/fault.c | |
| parent | 5e1e704a7de14ae79dc4d983dbbcab67064960c9 (diff) | |
| parent | 31d141e3a666269a3b6fcccddb0351caf7454240 (diff) | |
| download | linux-f7a0fd56e4f58aec3300082fc10433052e2f1863.tar.xz | |
Merge 3.12-rc6 into staging-next.
We want these fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc/mm/fault.c')
| -rw-r--r-- | arch/parisc/mm/fault.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 00c0ed333a3d..0293588d5b8c 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -171,20 +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: |