On Mon, Jul 25, 2016 at 10:34:28AM +0000, Marcos Souza wrote:
> Hi,
>
> On Mon, Jul 25, 2016 at 6:54 AM Benjamin Tissoires <
> benjamin.tissoires@xxxxxxxxxx> wrote:
>
> > Hi,
> >
> > On Jul 23 2016 or thereabouts, Marcos Paulo de Souza wrote:
> > > by rearranging the code to release the trackpoint resource when some
> > error
> > > happens.
> >
> > Is there any advantage of doing so beside trying to remove one goto?
> > Because if not, that's the kernel failure style and this is much better
> > given that if somebody needs to add other commands after initializing the
> > trackstick, and if those command fail, we can then remove the
> > trackstick.
> >
>
> My only reason was to shrink the code a little, by removing a label used
Shrink executable code or source code? I do not see either of them
shrinking, you have the same number of code lines and compiler is going
to rearrange the instructions the way it sees fit anyway.
> only once. Yes, we may need to add more more and the this label could be
> used to avoid duplication, but for now we don't have such code.
>
> But OK, you can drop it if you don't think it's worth applying.
>
> Thanks,
>
>
> >
> > Cheers,
> > Benjamin
> >
> > >
> > > Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@xxxxxxxxx>
> > > ---
> > > drivers/input/mouse/elantech.c | 8 ++++----
> > > 1 file changed, 4 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/drivers/input/mouse/elantech.c
> > b/drivers/input/mouse/elantech.c
> > > index be5b399..8c53a17 100644
> > > --- a/drivers/input/mouse/elantech.c
> > > +++ b/drivers/input/mouse/elantech.c
> > > @@ -1725,8 +1725,10 @@ int elantech_init(struct psmouse *psmouse)
> > > __set_bit(INPUT_PROP_POINTING_STICK, tp_dev->propbit);
> > >
> > > error = input_register_device(etd->tp_dev);
> > > - if (error < 0)
> > > - goto init_fail_tp_reg;
> > > + if (error < 0) {
> > > + input_free_device(tp_dev);
> > > + goto init_fail_tp_alloc;
> > > + }
> > > }
> > >
> > > psmouse->protocol_handler = elantech_process_byte;
> > > @@ -1735,8 +1737,6 @@ int elantech_init(struct psmouse *psmouse)
> > > psmouse->pktsize = etd->hw_version > 1 ? 6 : 4;
> > >
> > > return 0;
> > > - init_fail_tp_reg:
> > > - input_free_device(tp_dev);
> > > init_fail_tp_alloc:
> > > sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj,
> > > &elantech_attr_group);
> > > --
> > > 2.7.4
> > >
> >
Thanks.
--
Dmitry
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