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Added check to only detach kernel driver in LighpackDevice when it is active in the first place
Former-commit-id: 99e68e88571510bfb07a82942ee3f975f3f86a7f
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@ -1 +1 @@
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b4ecb001b419687ffbef1bebb7c274bb31ea55f1
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d59ae219a9dad5cd6138c23122df5e3313e473cb
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@ -302,12 +302,16 @@ libusb_device_handle * LedDeviceLightpack::openDevice(libusb_device *device)
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throw error;
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}
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error = libusb_detach_kernel_driver(handle, LIGHTPACK_INTERFACE);
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if (error != LIBUSB_SUCCESS)
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// detach kernel driver if it is active
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if (libusb_kernel_driver_active(handle, LIGHTPACK_INTERFACE) == 1)
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{
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std::cerr << "unable to detach kernel driver(" << error << "): " << libusb_error_name(error) << std::endl;
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libusb_close(handle);
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throw error;
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error = libusb_detach_kernel_driver(handle, LIGHTPACK_INTERFACE);
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if (error != LIBUSB_SUCCESS)
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{
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std::cerr << "unable to detach kernel driver(" << error << "): " << libusb_error_name(error) << std::endl;
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libusb_close(handle);
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throw error;
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}
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}
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error = libusb_claim_interface(handle, LIGHTPACK_INTERFACE);
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