releases/3.18.3/kvm-s390-fix-size-of-monitor-class-number-field.patch

   1 From a36c5393266222129ce6f622e3bc3fb5463f290c Mon Sep 17 00:00:00 2001
   2 From: Thomas Huth <thuth@linux.vnet.ibm.com>
   3 Date: Thu, 16 Oct 2014 14:31:53 +0200
   4 Subject: KVM: s390: Fix size of monitor-class number field
   5
   6 From: Thomas Huth <thuth@linux.vnet.ibm.com>
   7
   8 commit a36c5393266222129ce6f622e3bc3fb5463f290c upstream.
   9
  10 The monitor-class number field is only 16 bits, so we have to use
  11 a u16 pointer to access it.
  12
  13 Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
  14 Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
  15 Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
  16 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  17
  18 ---
  19  arch/s390/kvm/interrupt.c |    2 +-
  20  1 file changed, 1 insertion(+), 1 deletion(-)
  21
  22 --- a/arch/s390/kvm/interrupt.c
  23 +++ b/arch/s390/kvm/interrupt.c
  24 @@ -270,7 +270,7 @@ static int __must_check __deliver_prog_i
  25                 break;
  26         case PGM_MONITOR:
  27                 rc = put_guest_lc(vcpu, pgm_info->mon_class_nr,
  28 -                                 (u64 *)__LC_MON_CLASS_NR);
  29 +                                 (u16 *)__LC_MON_CLASS_NR);
  30                 rc |= put_guest_lc(vcpu, pgm_info->mon_code,
  31                                    (u64 *)__LC_MON_CODE);
  32                 break;