On Sun, Mar 18, 2012 at 11:51:49PM +0400, tamerlan311 wrote: > Now I encountered a small problem. New version of module backported to > old kernel (3.2) make a panic when module try to unload. > > usb_serial_register_drivers > usb_serial_deregister_drivers() > module_usb_serial_driver() > > these functions just copied to private header with kernel version > check condition. I doubt that will work, you needed to make some changes to the usb-serial core as well, which is probably why you are having these problems. I suggest just working on top of the linux-next tree, or my usb-next branch, at the least, to ensure that things work properly. Hope this helps, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html