From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: akpm@linux-foundation.org, linaro-kernel@lists.linaro.org,
linux-kernel@vger.kernel.org,
"Hans de Goede" <hdegoede@redhat.com>,
"open list:INPUT (KEYBOARD, MOUSE, JOYSTICK,
TOUCHSCREEN)..." <linux-input@vger.kernel.org>,
"Masaki Ota" <masaki.ota@jp.alps.com>,
"Pali Rohár" <pali.rohar@gmail.com>
Subject: Re: [PATCH 05/15] drivers: input: Drop unlikely before IS_ERR(_OR_NULL)
Date: Fri, 31 Jul 2015 09:58:41 -0700 [thread overview]
Message-ID: <20150731165841.GD5613@dtor-ws> (raw)
In-Reply-To: <72b53f2cabc15cf3d019041a0ed605ca7c24d19b.1438331416.git.viresh.kumar@linaro.org>
On Fri, Jul 31, 2015 at 02:08:25PM +0530, Viresh Kumar wrote:
> IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag and there
> is no need to do that again from its callers. Drop it.
I'd rather keep it as it documents the expected behavior and double
unlikely should work just fine.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.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 113d6f1516a5..cef3611a4ccd 100644
> --- a/drivers/input/mouse/alps.c
> +++ b/drivers/input/mouse/alps.c
> @@ -1365,7 +1365,7 @@ 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,
> --
> 2.4.0
>
Thanks.
--
Dmitry
next prev parent reply other threads:[~2015-07-31 16:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1438331416.git.viresh.kumar@linaro.org>
2015-07-31 8:38 ` [PATCH 05/15] drivers: input: Drop unlikely before IS_ERR(_OR_NULL) Viresh Kumar
2015-07-31 16:58 ` Dmitry Torokhov [this message]
2015-08-01 11:22 ` Viresh Kumar
2015-08-01 11:44 ` Pali Rohár
2015-08-02 15:43 ` Pavel Machek
2015-08-02 15:59 ` Pali Rohár
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