On Fri, Aug 22, 2025 at 11:36:09AM +0800, William Wu wrote: > Once the use_os_string flag is set to true for some functions > (e.g. adb/mtp) which need to response the OS string, and then > if we re-bind the ConfigFS gadget to use the other functions > (e.g. hid) which should not to response the OS string, however, > because the use_os_string flag is still true, so the usb gadget > response the OS string descriptor incorrectly, this can cause > the USB device to be unrecognizable on the Windows system. > > An example of this as follows: > > echo 1 > os_desc/use > ln -s functions/ffs.adb configs/b.1/function0 > start adbd > echo "<udc device>" > UDC #succeed > > stop adbd > rm configs/b.1/function0 > echo 0 > os_desc/use > ln -s functions/hid.gs0 configs/b.1/function0 > echo "<udc device>" > UDC #fail to connect on Windows > > This patch sets the use_os_string flag to false at bind if > the functions not support OS Descriptors. > > Signed-off-by: William Wu <william.wu@xxxxxxxxxxxxxx> What commit id does this fix? thanks, greg k-h
