Re: [PATCH] HID: rmi: Make sure the HID device is opened on resume

From: Jiri Kosina
Date: Mon Jul 24 2017 - 15:28:37 EST


On Mon, 24 Jul 2017, Lyude Paul wrote:

> > > So, call hid_hw_open() in rmi_post_resume() so we make sure that
> > > the
> > > device is alive before we try talking to it.
> > >
> > > This fixes RMI device suspend/resume over HID.
> > > - int ret;
> > > + int ret = 0;
> >
> > What's the point?
> So that we can use the same out: label at the end of the function that
> calls hid_hw_close() to return success. This being said though I just
> realized that setting ret will initialize it to 0 anyway, so I guess
> this can be dropped

Andy's point was that hid_hw_open() is obviously re-initializing the ret
before its first use as a return value, so there is no need to initialize
it at a declaration time.

--
Jiri Kosina
SUSE Labs