diff options
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 075e1036bcb4..41aca003ee82 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -496,7 +496,12 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, max_packet = ep->desc.wMaxPacketSize; ep_ctx->ep_info2 |= MAX_PACKET(max_packet); /* dig out max burst from ep companion desc */ - max_packet = ep->ss_ep_comp->desc.bMaxBurst; + if (!ep->ss_ep_comp) { + xhci_warn(xhci, "WARN no SS endpoint companion descriptor.\n"); + max_packet = 0; + } else { + max_packet = ep->ss_ep_comp->desc.bMaxBurst; + } ep_ctx->ep_info2 |= MAX_BURST(max_packet); break; case USB_SPEED_HIGH: |