diff options
| -rw-r--r-- | arch/x86/kvm/emulate.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index d6088b8686fb..0ad47b819a8b 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1769,8 +1769,7 @@ static bool emulator_io_port_access_allowed(struct x86_emulate_ctxt *ctxt, struct desc_struct tr_seg; u32 base3; int r; - u16 io_bitmap_ptr; - u8 perm, bit_idx = port & 0x7; + u16 io_bitmap_ptr, perm, bit_idx = port & 0x7; unsigned mask = (1 << len) - 1; unsigned long base; @@ -1788,7 +1787,7 @@ static bool emulator_io_port_access_allowed(struct x86_emulate_ctxt *ctxt, return false; if (io_bitmap_ptr + port/8 > desc_limit_scaled(&tr_seg)) return false; - r = ops->read_std(base + io_bitmap_ptr + port/8, &perm, 1, ctxt->vcpu, + r = ops->read_std(base + io_bitmap_ptr + port/8, &perm, 2, ctxt->vcpu, NULL); if (r != X86EMUL_CONTINUE) return false; |