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Fix kernel driver attached check 

The check is really only broken on darwin, but useful on all other
platforms, even if only Linux can actually detach a driver.
This commit is contained in:
Bert Vermeulen 2013-04-07 14:14:16 +02:00
parent 8c971b6e5c
commit 3f98bf7017
1 changed files with 6 additions and 3 deletions
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9
hardware/common/ezusb.c
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@ -108,9 +108,12 @@ SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
return SR_ERR;
}
/* Neither Windows/MinGW nor Darwin/Mac support these libusb-1.0 calls. */
#if !defined(_WIN32) && !defined(__APPLE__)
if (libusb_kernel_driver_active(hdl, 0)) {
/*
* The libusbx darwin backend is broken: it can report a kernel driver being
* active, but detaching it always returns an error.
*/
#if !defined(__APPLE__)
if (libusb_kernel_driver_active(hdl, 0) == 1) {
if ((ret = libusb_detach_kernel_driver(hdl, 0)) < 0) {
sr_err("failed to detach kernel driver: %s",
libusb_error_name(ret));