Hello Dmitry, On Tue, Jul 24, 2018 at 02:38:04AM +0000, Dmitry Torokhov wrote: > Hi Marcus, > > On Mon, Jul 16, 2018 at 04:40:14PM +0200, Marcus Folkesson wrote: > > The USB device is only needed during setup, so put it back after > > initialization and do not store it in our private struct. > > > > Also, the USB device is a parent of USB interface so our driver > > model rules ensure that USB device should not disappear while > > interface device is still there. > > So not keep a refcount on the device is safe. > > > > Reported-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> > > Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx> > > --- > > drivers/input/joystick/pxrc.c | 22 ++++++++++++---------- > > 1 file changed, 12 insertions(+), 10 deletions(-) > > > > diff --git a/drivers/input/joystick/pxrc.c b/drivers/input/joystick/pxrc.c > > index 07a0dbd3ced2..46a7acb747bf 100644 > > --- a/drivers/input/joystick/pxrc.c > > +++ b/drivers/input/joystick/pxrc.c > ... > > > @@ -204,23 +204,25 @@ static int pxrc_probe(struct usb_interface *intf, > > return -ENOMEM; > > > > mutex_init(&pxrc->pm_mutex); > > - pxrc->udev = usb_get_dev(interface_to_usbdev(intf)); > > + udev = usb_get_dev(interface_to_usbdev(intf)); > > There is really no need to "get" device for the probe duration, or in > general, when you are not storing the reference to it. > > I posted series with an updated version of this patch plus couple more > cleanups/fixes, and would appreciate if you could give it a spin. Thank you for doing this. I have reviewed the patchset and tested on real hardware, and it looks good to me. For what it's worth: Reviewed-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx> Tested-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx> On the whole patchset. > > Thanks. > > -- > Dmitry Best regards Marcus Folkesson
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