On Do, 09.01.20 20:17, Michael K ([email protected]) wrote: > I'm trying to use libudev to unbind a usb device from usb-storage driver > ..This does not seem to work. Can I even do what I'm trying to do or am I > just doing it wrong ?In the shell # echo -n "1-1.1:1.0" > > /sys/bus/usb/drivers/usb-storage/unbind works but this doesn't ... > gchar *sTestUFD= "1-1.1:1.0"; > struct udev *udev = udev_new(); struct udev_device *device; if( > (device = udev_device_new_from_syspath( udev, > "/sys/bus/usb/drivers/usb-storage" )) != NULL ) { if( > udev_device_set_sysattr_value( device, "unbind", sTestUFD ) < 0 ) { > sd_journal_print( LOG_NOTICE, "Cannot unbind %s", sTestUFD ); } > udev_device_unref( device ); } else { sd_journal_perror( "Cannot get > /sys/bus/usb/drivers/usb-storage" ); } udev_unref( udev );
Please send proper ASCII emails, the above is just really borked. The code looks roughly OK, but maybe strace it to see if it does the right things. Lennart -- Lennart Poettering, Berlin _______________________________________________ systemd-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/systemd-devel
