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Subject: Re: [PATCH v2 2/6] can: dev: add a helper function
To:     Vincent Mailhol <mailhol.vincent@wanadoo.fr>,
        linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
        linux-can@vger.kernel.org, Wolfgang Grandegger <wg@grandegger.com>,
        "David S . Miller" <davem@davemloft.net>
Cc:     Jakub Kicinski <kuba@kernel.org>, Oliver Neukum <oneukum@suse.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Arunachalam Santhanam <arunachalam.santhanam@in.bosch.com>
References: <20200926175810.278529-1-mailhol.vincent@wanadoo.fr>
 <20200930144602.10290-3-mailhol.vincent@wanadoo.fr>
 <1798400d-abc1-e6dd-2d19-41e82ca6e43e@pengutronix.de>
 <20201001154531.3217-1-mailhol.vincent@wanadoo.fr>
From:   Marc Kleine-Budde <mkl@pengutronix.de>
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Message-ID: <ad1d812b-692f-c7df-d5c5-f61436434d59@pengutronix.de>
Date:   Thu, 1 Oct 2020 17:51:23 +0200
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In-Reply-To: <20201001154531.3217-1-mailhol.vincent@wanadoo.fr>
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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Vincent Mailhol <mailhol.vincent@wanadoo.fr>,
 linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
 linux-can@vger.kernel.org, Wolfgang Grandegger <wg@grandegger.com>,
 "David S . Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>, Oliver Neukum <oneukum@suse.com>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 Masahiro Yamada <masahiroy@kernel.org>,
 Arunachalam Santhanam <arunachalam.santhanam@in.bosch.com>
Message-ID: <ad1d812b-692f-c7df-d5c5-f61436434d59@pengutronix.de>
Subject: Re: [PATCH v2 2/6] can: dev: add a helper function
References: <20200926175810.278529-1-mailhol.vincent@wanadoo.fr>
 <20200930144602.10290-3-mailhol.vincent@wanadoo.fr>
 <1798400d-abc1-e6dd-2d19-41e82ca6e43e@pengutronix.de>
 <20201001154531.3217-1-mailhol.vincent@wanadoo.fr>
In-Reply-To: <20201001154531.3217-1-mailhol.vincent@wanadoo.fr>

--ICHiQ9wftbi9A0xOxdyGBWXFOW7VDe7Yy
Content-Type: text/plain; charset=utf-8
Content-Language: de-DE
Content-Transfer-Encoding: quoted-printable

On 10/1/20 5:45 PM, Vincent Mailhol wrote:
>>> +static inline int get_can_len(struct sk_buff *skb)
>>
>> make this return an u8
>> make the skb const
>>
>>> +{
>>> +	struct canfd_frame *cf =3D3D (struct canfd_frame *)skb->data;
>>
>> const
>>
>>> +
>>> +	if (can_is_canfd_skb(skb))
>>> +		return min_t(__u8, cf->len, CANFD_MAX_DLEN);
>>
>> u8
>>
>>> +	else if (cf->can_id & CAN_RTR_FLAG)
>>> +		return 0;
>>> +	else
>>> +		return min_t(__u8, cf->len, CAN_MAX_DLEN);
>>
>> u8
>=20
> Noted. All those changes will be addressed in v3 series.
> Thank you.
>=20
> As a side note, macros get_can_dlc() and get_canfd_dlc of the same
> file (include/linux/can/dev.h) also use __u8 instead of u8. Do you
> want me to add a patch to change these as below?

yes. looks good


tnx,
Marc

--=20
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |


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