Messages in this thread | | | Date | Thu, 29 Aug 2019 10:50:39 -0700 | From | Dmitry Torokhov <> | Subject | Re: [PATCH v3 09/11] Input: alps - remove unlikely() from IS_ERR*() condition |
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On Thu, Aug 29, 2019 at 07:50:23PM +0300, Denis Efremov wrote: > "unlikely(IS_ERR_OR_NULL(x))" is excessive. IS_ERR_OR_NULL() already uses > unlikely() internally.
The keyword here is _internally_.
https://lore.kernel.org/lkml/20190821174857.GD76194@dtor-ws/
So please no.
> > Signed-off-by: Denis Efremov <efremov@linux.com> > Cc: "Pali Rohár" <pali.rohar@gmail.com> > Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> > Cc: Joe Perches <joe@perches.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: linux-input@vger.kernel.org > --- > drivers/input/mouse/alps.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c > index 34700eda0429..ed1661434899 100644 > --- a/drivers/input/mouse/alps.c > +++ b/drivers/input/mouse/alps.c > @@ -1476,7 +1476,7 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse, > /* On V2 devices the DualPoint Stick reports bare packets */ > dev = priv->dev2; > dev2 = psmouse->dev; > - } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) { > + } else if (IS_ERR_OR_NULL(priv->dev3)) { > /* Register dev3 mouse if we received PS/2 packet first time */ > if (!IS_ERR(priv->dev3)) > psmouse_queue_work(psmouse, &priv->dev3_register_work, > -- > 2.21.0 >
-- Dmitry
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