On Mon, 9 Apr 2012, Greg KH wrote: > On Wed, Mar 28, 2012 at 04:10:49PM -0400, Alan Stern wrote: > > This patch (as1536) fixes a bug in the USB serial core. Unloading and > > reloading a serial driver while a serial device is plugged in causes > > errors because of the code in usb_serial_disconnect() that tries to > > make sure the port_remove method is called. With the new order of > > driver registration introduced in the 3.4 kernel, this is definitely > > not the right thing to do (if indeed it ever was). > > > > The patch removes that whole section code, along with the mechanism > > for keeping track of each port's registration state, which is no > > longer needed. The driver core can handle all that stuff for us. > > > > Note: This has been tested only with one or two USB serial drivers. > > In theory, other drivers might still run into trouble. But if they > > do, it will be the fault of the drivers, not of this patch -- that is, > > the drivers will need to be fixed. > > > > Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > > Reported-and-tested-by: Johan Hovold <jhovold@xxxxxxxxx> > > This just needs to go to 3.4-final, not 3.3-stable, right? That's right, because the usb_serial_register_drivers thing never went into 3.3-stable. Alan Stern -- 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
