diff options
Diffstat (limited to 'arch/s390/lib')
-rw-r--r-- | arch/s390/lib/Makefile | 4 | ||||
-rw-r--r-- | arch/s390/lib/uaccess_pt.c | 23 |
2 files changed, 13 insertions, 14 deletions
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile index 59aea65ce99f..52084436ab69 100644 --- a/arch/s390/lib/Makefile +++ b/arch/s390/lib/Makefile @@ -4,7 +4,7 @@ EXTRA_AFLAGS := -traditional -lib-y += delay.o string.o uaccess_std.o uaccess_pt.o qrnnd.o -obj-$(CONFIG_32BIT) += div64.o +lib-y += delay.o string.o uaccess_std.o uaccess_pt.o +obj-$(CONFIG_32BIT) += div64.o qrnnd.o lib-$(CONFIG_64BIT) += uaccess_mvcos.o lib-$(CONFIG_SMP) += spinlock.o diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 63181671e3e3..60604b2819b2 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -20,6 +20,7 @@ static int __handle_fault(struct mm_struct *mm, unsigned long address, { struct vm_area_struct *vma; int ret = -EFAULT; + int fault; if (in_atomic()) return ret; @@ -44,20 +45,18 @@ static int __handle_fault(struct mm_struct *mm, unsigned long address, } survive: - switch (handle_mm_fault(mm, vma, address, write_access)) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto out_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, write_access); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto out_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; ret = 0; out: up_read(&mm->mmap_sem); |