diff options
Diffstat (limited to 'arch/microblaze/mm/fault.c')
| -rw-r--r-- | arch/microblaze/mm/fault.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c index 5c40c3ebe52f..d3c3c33b73a6 100644 --- a/arch/microblaze/mm/fault.c +++ b/arch/microblaze/mm/fault.c @@ -192,8 +192,9 @@ retry: && (kernel_mode(regs) || !store_updates_sp(regs))) goto bad_area; } - if (expand_stack(vma, address)) - goto bad_area; + vma = expand_stack(mm, address); + if (!vma) + goto bad_area_nosemaphore; good_area: code = SEGV_ACCERR; @@ -219,8 +220,11 @@ good_area: */ fault = handle_mm_fault(vma, address, flags, regs); - if (fault_signal_pending(fault, regs)) + if (fault_signal_pending(fault, regs)) { + if (!user_mode(regs)) + bad_page_fault(regs, address, SIGBUS); return; + } /* The fault is fully completed (including releasing mmap lock) */ if (fault & VM_FAULT_COMPLETED) |