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Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index e02b90746e84..1e57eafa6910 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1424,6 +1424,10 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, */ ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx); + if (!ctrl_ctx) { + xhci_warn(xhci, "Could not get input context, bad type.\n"); + break; + } /* Input ctx add_flags are the endpoint index plus one */ ep_index = xhci_last_valid_endpoint(le32_to_cpu(ctrl_ctx->add_flags)) - 1; /* A usb_set_interface() call directly after clearing a halted |