linux-kernel - Re: [PATCH] Input: alps: Drop unlikely before IS_ERR(_OR

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Date:   Thu, 6 Jun 2019 09:08:41 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Pali Rohár <pali.rohar@...il.com>
CC:     <linux-kernel@...r.kernel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        <linux-input@...r.kernel.org>
Subject: Re: [PATCH] Input: alps: Drop unlikely before IS_ERR(_OR_NULL)


On 2019/6/5 22:42, Pali Rohár wrote:
> On Wednesday 05 June 2019 22:24:28 Kefeng Wang wrote:
>> IS_ERR(_OR_NULL) already contain an 'unlikely' compiler flag,
>> so no need to do that again from its callers. Drop it.
> Hi! I already reviewed this patch and rejected it, see:
> https://patchwork.kernel.org/patch/10817475/
OK, please ignore it.
>> Cc: "Pali Rohár" <pali.rohar@...il.com>
>> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
>> Cc: linux-input@...r.kernel.org
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
>> ---
>>  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 0a6f7ca883e7..791ef0f826c5 100644
>> --- a/drivers/input/mouse/alps.c
>> +++ b/drivers/input/mouse/alps.c
>> @@ -1478,7 +1478,7 @@ 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,