HID: u2fzero: fail probe if not using USB transport
u2fzero driver is USB-only. Therefore we have to give up in ->probe() callback in case we're called with non-USB transport driver bound, otherwise the kernel will crash trying to use USBHID API on a non-USB transport. Fixes: 42337b9d4d958("HID: add driver for U2F Zero built-in LED and RNG") Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -286,6 +286,9 @@ static int u2fzero_probe(struct hid_device *hdev,
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unsigned int minor;
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int ret;
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if (!hid_is_using_ll_driver(hdev, &usb_hid_driver))
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return -EINVAL;
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dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
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if (dev == NULL)
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return -ENOMEM;
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