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Diffstat (limited to 'hw/xen/xen_pt_config_init.c')
-rw-r--r--hw/xen/xen_pt_config_init.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index de9a20f437..d99c22ef2f 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -360,15 +360,13 @@ static uint64_t xen_pt_get_bar_size(PCIIORegion *r)
}
static XenPTBarFlag xen_pt_bar_reg_parse(XenPCIPassthroughState *s,
- XenPTRegInfo *reg)
+ int index)
{
PCIDevice *d = &s->dev;
XenPTRegion *region = NULL;
PCIIORegion *r;
- int index = 0;
/* check 64bit BAR */
- index = xen_pt_bar_offset_to_index(reg->offset);
if ((0 < index) && (index < PCI_ROM_SLOT)) {
int type = s->real_device.io_regions[index - 1].type;
@@ -422,7 +420,7 @@ static int xen_pt_bar_reg_init(XenPCIPassthroughState *s, XenPTRegInfo *reg,
}
/* set BAR flag */
- s->bases[index].bar_flag = xen_pt_bar_reg_parse(s, reg);
+ s->bases[index].bar_flag = xen_pt_bar_reg_parse(s, index);
if (s->bases[index].bar_flag == XEN_PT_BAR_FLAG_UNUSED) {
reg_field = XEN_PT_INVALID_REG;
}
@@ -440,7 +438,7 @@ static int xen_pt_bar_reg_read(XenPCIPassthroughState *s, XenPTReg *cfg_entry,
/* get BAR index */
index = xen_pt_bar_offset_to_index(reg->offset);
- if (index < 0 || index >= PCI_NUM_REGIONS) {
+ if (index < 0 || index >= PCI_NUM_REGIONS - 1) {
XEN_PT_ERR(&s->dev, "Internal error: Invalid BAR index [%d].\n", index);
return -1;
}