diff options
Diffstat (limited to 'drivers/usb/dwc2/hcd_intr.c')
| -rw-r--r-- | drivers/usb/dwc2/hcd_intr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index f8253803a050..cadba8b13c48 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -525,11 +525,19 @@ void dwc2_hcd_save_data_toggle(struct dwc2_hsotg *hsotg, u32 pid = (hctsiz & TSIZ_SC_MC_PID_MASK) >> TSIZ_SC_MC_PID_SHIFT; if (chan->ep_type != USB_ENDPOINT_XFER_CONTROL) { + if (WARN(!chan || !chan->qh, + "chan->qh must be specified for non-control eps\n")) + return; + if (pid == TSIZ_SC_MC_PID_DATA0) chan->qh->data_toggle = DWC2_HC_PID_DATA0; else chan->qh->data_toggle = DWC2_HC_PID_DATA1; } else { + if (WARN(!qtd, + "qtd must be specified for control eps\n")) + return; + if (pid == TSIZ_SC_MC_PID_DATA0) qtd->data_toggle = DWC2_HC_PID_DATA0; else |