diff options
Diffstat (limited to 'hw/xen/xen_pt_config_init.c')
| -rw-r--r-- | hw/xen/xen_pt_config_init.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c index a3ce33e78b..aee31c62bb 100644 --- a/hw/xen/xen_pt_config_init.c +++ b/hw/xen/xen_pt_config_init.c @@ -504,6 +504,8 @@ static int xen_pt_bar_reg_write(XenPCIPassthroughState *s, XenPTReg *cfg_entry, bar_ro_mask = XEN_PT_BAR_IO_RO_MASK | (r_size - 1); break; case XEN_PT_BAR_FLAG_UPPER: + assert(index > 0); + r_size = d->io_regions[index - 1].size >> 32; bar_emu_mask = XEN_PT_BAR_ALLF; bar_ro_mask = r_size ? r_size - 1 : 0; break; |