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path: root/drivers/usb/host/xhci-mem.c
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Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
-rw-r--r--drivers/usb/host/xhci-mem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 4483e6a307c0..837c333c827f 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1723,7 +1723,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
- for (i = 0; i < num_ports; i++) {
+ for (i = 0; i < num_ports && xhci->rh_bw; i++) {
struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
for (j = 0; j < XHCI_MAX_INTERVAL; j++) {
struct list_head *ep = &bwt->interval_bw[j].endpoints;