KVM: x86 emulator: initialize src.val and dst.val for register operands

This lets us treat the case where mod == 3 in the same manner as other cases.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index f59ed93f5d24..8e1b32f2cd5e 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -1001,6 +1001,7 @@ done_prefixes:
                  */
                 if ((c->d & ModRM) && c->modrm_mod == 3) {
                         c->src.type = OP_REG;
+                        c->src.val = c->modrm_val;
                         break;
                 }
                 c->src.type = OP_MEM;
@@ -1044,6 +1045,7 @@ done_prefixes:
         case DstMem:
                 if ((c->d & ModRM) && c->modrm_mod == 3) {
                         c->dst.type = OP_REG;
+                        c->dst.val = c->dst.orig_val = c->modrm_val;
                         break;
                 }
                 c->dst.type = OP_MEM;