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detach before claim

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This commit is contained in:
vincentserpoul
2017-02-16 23:41:52 +08:00
parent 09150fc318
commit a7f2e81ddf
1 changed files with 5 additions and 0 deletions
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5
usb/device.go
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@@ -174,6 +174,11 @@ found:
} }
} }
// Detach the interface
if errno := C.libusb_detach_kernel_driver(d.handle, C.int(iface)); errno < 0 {
fmt.Errorf("usb: detach: %s", usbError(errno))
}
// Claim the interface // Claim the interface
if errno := C.libusb_claim_interface(d.handle, C.int(iface)); errno < 0 { if errno := C.libusb_claim_interface(d.handle, C.int(iface)); errno < 0 {
return nil, fmt.Errorf("usb: claim: %s", usbError(errno)) return nil, fmt.Errorf("usb: claim: %s", usbError(errno))