KVM: x86 emulator: fix faulty check for two-byte opcode



Right now, the bug is harmless as we never emulate one-byte 0xb6 or 0xb7.
But things may change.

Noted by the mysterious Gabriel C.

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

parent e3243452

drivers/kvm/x86_emulate.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -819,7 +819,7 @@ x86_emulate_memop(struct x86_emulate_ctxt ctxt, struct x86_emulate_ops ops)
		case DstReg:
		dst.type = OP_REG;
		if ((d & ByteOp)
		&& !(twobyte_table && (b == 0xb6 \|\| b == 0xb7))) {
		&& !(twobyte && (b == 0xb6 \|\| b == 0xb7))) {
		dst.ptr = decode_register(modrm_reg, _regs,
		(rex_prefix == 0));
		dst.val = (u8 ) dst.ptr;