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HID: usbhid: refactor endpoint lookup
Use the common USB helper for looking up interrupt-in endpoints instead of open coding. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.com>
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@ -1363,19 +1363,17 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
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{
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struct usb_host_interface *interface = intf->cur_altsetting;
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struct usb_device *dev = interface_to_usbdev(intf);
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struct usb_endpoint_descriptor *ep;
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struct usbhid_device *usbhid;
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struct hid_device *hid;
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unsigned int n, has_in = 0;
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size_t len;
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int ret;
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dbg_hid("HID probe called for ifnum %d\n",
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intf->altsetting->desc.bInterfaceNumber);
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for (n = 0; n < interface->desc.bNumEndpoints; n++)
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if (usb_endpoint_is_int_in(&interface->endpoint[n].desc))
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has_in++;
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if (!has_in) {
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ret = usb_find_int_in_endpoint(interface, &ep);
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if (ret) {
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hid_err(intf, "couldn't find an input interrupt endpoint\n");
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return -ENODEV;
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}
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