On Thu, Oct 18, 2012 at 11:03:38AM +0100, David Vrabel wrote: > From: David Vrabel <david.vrabel@xxxxxxxxxx> > > Backend drivers shouldn't transistion to CLOSED unless the frontend is > CLOSED. If a backend does transition to CLOSED too soon then the > frontend may not see the CLOSING state and will not properly shutdown. > > So, treat an unexpected backend CLOSED state the same as CLOSING. > > Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx> > Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> > --- > Cc: linux-input@xxxxxxxxxxxxxxx > Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Hey Dmitry, Should I prep a git pull for you for this or are you OK giving an Ack for me to put this patch in my git pull for Linus? Thx. > --- > drivers/input/misc/xen-kbdfront.c | 5 ++++- > 1 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c > index 02ca868..6f7d990 100644 > --- a/drivers/input/misc/xen-kbdfront.c > +++ b/drivers/input/misc/xen-kbdfront.c > @@ -311,7 +311,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev, > case XenbusStateReconfiguring: > case XenbusStateReconfigured: > case XenbusStateUnknown: > - case XenbusStateClosed: > break; > > case XenbusStateInitWait: > @@ -350,6 +349,10 @@ InitWait: > > break; > > + case XenbusStateClosed: > + if (dev->state == XenbusStateClosed) > + break; > + /* Missed the backend's CLOSING state -- fallthrough */ > case XenbusStateClosing: > xenbus_frontend_closed(dev); > break; > -- > 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
