diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 99503cd..be0a89e 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1905,7 +1905,7 @@
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	struct device	*dev = xhci_to_hcd(xhci)->self.controller;
 
-	if (intr_num > xhci->max_interrupters) {
+	if (intr_num >= xhci->max_interrupters) {
 		xhci_err(xhci, "invalid secondary interrupter num %d\n",
 			intr_num);
 		return -EINVAL;
@@ -1938,7 +1938,7 @@
 	struct device	*dev = xhci_to_hcd(xhci)->self.controller;
 
 	/* sec event ring clean up */
-	for (i = 1; i <= xhci->max_interrupters; i++)
+	for (i = 1; i < xhci->max_interrupters; i++)
 		xhci_sec_event_ring_cleanup(xhci_to_hcd(xhci), i);
 
 	kfree(xhci->sec_ir_set);
@@ -2567,7 +2567,7 @@
 
 	if ((xhci->xhc_state & XHCI_STATE_HALTED) || !xhci->sec_ir_set
 		|| !xhci->sec_event_ring || !xhci->sec_erst ||
-		intr_num > xhci->max_interrupters) {
+		intr_num >= xhci->max_interrupters) {
 		xhci_err(xhci,
 		"%s:state %x ir_set %p evt_ring %p erst %p intr# %d\n",
 		__func__, xhci->xhc_state, xhci->sec_ir_set,
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8bbd66b..64daa09 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4947,8 +4947,8 @@
 {
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-	if (intr_num > xhci->max_interrupters) {
-		xhci_err(xhci, "intr num %d > max intrs %d\n", intr_num,
+	if (intr_num >= xhci->max_interrupters) {
+		xhci_err(xhci, "intr num %d >= max intrs %d\n", intr_num,
 			xhci->max_interrupters);
 		return 0;
 	}