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Added check to only detach kernel driver in LighpackDevice when it is active in the first place

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Former-commit-id: 99e68e88571510bfb07a82942ee3f975f3f86a7f
This commit is contained in:
johan 2013-11-18 21:13:32 +01:00
parent aa318d5822
commit f5f1019f72
2 changed files with 10 additions and 6 deletions
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2
deploy/hyperiond.REMOVED.git-id
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@ -1 +1 @@
b4ecb001b419687ffbef1bebb7c274bb31ea55f1
d59ae219a9dad5cd6138c23122df5e3313e473cb

4
libsrc/hyperion/device/LedDeviceLightpack.cpp
View File

@ -302,6 +302,9 @@ libusb_device_handle * LedDeviceLightpack::openDevice(libusb_device *device)
throw error;
}
// detach kernel driver if it is active
if (libusb_kernel_driver_active(handle, LIGHTPACK_INTERFACE) == 1)
{
error = libusb_detach_kernel_driver(handle, LIGHTPACK_INTERFACE);
if (error != LIBUSB_SUCCESS)
{
@ -309,6 +312,7 @@ libusb_device_handle * LedDeviceLightpack::openDevice(libusb_device *device)
libusb_close(handle);
throw error;
}
}
error = libusb_claim_interface(handle, LIGHTPACK_INTERFACE);
if (error != LIBUSB_SUCCESS)