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Lines 337-368
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| 337 |
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/* Now we have matched the device we wanted. Claim it. */ |
338 |
/* Now we have matched the device we wanted. Claim it. */ |
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#if defined(HAVE_LIBUSB_KERNEL_DRIVER_ACTIVE) && defined(HAVE_LIBUSB_SET_AUTO_DETACH_KERNEL_DRIVER) |
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/* Due to the way FreeBSD implements libusb_set_auto_detach_kernel_driver(), |
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* check to see if the kernel driver is active before setting |
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* the auto-detach flag. Otherwise, libusb_claim_interface() |
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* with the auto-detach flag only works if the driver is |
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* running as root. |
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* |
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* Is the kernel driver active? Consider the unimplemented |
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* return code to be equivalent to inactive here. |
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*/ |
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if((ret = libusb_kernel_driver_active(udev, usb_subdriver.hid_rep_index)) == 1) { |
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upsdebugx(3, "libusb_kernel_driver_active() returned 1 (driver active)"); |
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/* Try the auto-detach kernel driver method. |
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* This function is not available on FreeBSD 10.1-10.3 */ |
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if ((ret = libusb_set_auto_detach_kernel_driver (udev, 1)) != LIBUSB_SUCCESS) { |
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upsdebugx(1, "failed to set kernel driver auto-detach " |
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"driver flag for USB device: %s", |
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libusb_strerror((enum libusb_error)ret)); |
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} else { |
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upsdebugx(2, "successfully set kernel driver auto-detach flag"); |
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} |
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} else { |
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upsdebugx(3, "libusb_kernel_driver_active() returned %d", ret); |
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} |
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#endif |
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#if (defined HAVE_LIBUSB_DETACH_KERNEL_DRIVER) || (defined HAVE_LIBUSB_DETACH_KERNEL_DRIVER_NP) |
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#if (defined HAVE_LIBUSB_DETACH_KERNEL_DRIVER) || (defined HAVE_LIBUSB_DETACH_KERNEL_DRIVER_NP) |
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/* Then, try the explicit detach method. |
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/* Then, try the explicit detach method. |
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* This function is available on FreeBSD 10.1-10.3 */ |
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* This function is available on FreeBSD 10.1-10.3 */ |