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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Michal Simek <michal.simek@xilinx.com>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Wolfgang Grandegger <wg@grandegger.com>,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	Chen-Yu Tsai <wens@csie.org>,
	"open list:CAN NETWORK DRIVERS" <linux-can@vger.kernel.org>,
	"open list:NETWORKING DRIVERS" <netdev@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	"moderated list:ARM/Allwinner sunXi SoC support"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 3/3] can: xilinx: fix xcan_start_xmit()'s return type
Date: Fri, 27 Apr 2018 09:55:16 +0200	[thread overview]
Message-ID: <02e9be66-1345-2af7-c343-9f94d71e1d10@pengutronix.de> (raw)
In-Reply-To: <79ea4ab6-a12a-21ad-b586-6a1dad176c0a@xilinx.com>


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On 04/27/2018 09:49 AM, Michal Simek wrote:
> On 26.4.2018 23:13, Luc Van Oostenryck wrote:
>> The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
>> which is a typedef for an enum type, but the implementation in this
>> driver returns an 'int'.
>>
>> Fix this by returning 'netdev_tx_t' in this driver too.
>>
>> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
>> ---
>>  drivers/net/can/xilinx_can.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
>> index 89aec07c2..a19648606 100644
>> --- a/drivers/net/can/xilinx_can.c
>> +++ b/drivers/net/can/xilinx_can.c
>> @@ -386,7 +386,7 @@ static int xcan_do_set_mode(struct net_device *ndev, enum can_mode mode)
>>   *
>>   * Return: 0 on success and failure value on error
>>   */
>> -static int xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>> +static netdev_tx_t xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>>  {
>>  	struct xcan_priv *priv = netdev_priv(ndev);
>>  	struct net_device_stats *stats = &ndev->stats;
>>
> 
> It was applied already but there should be also kernel-doc update too to
> use enum values instead of 0.

Like this:

> diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
> index f07ce4945356..d0ad1473f689 100644
> --- a/drivers/net/can/xilinx_can.c
> +++ b/drivers/net/can/xilinx_can.c
> @@ -398,7 +398,7 @@ static int xcan_do_set_mode(struct net_device *ndev, enum can_mode mode)
>   * function uses the next available free txbuff and populates their fields to
>   * start the transmission.
>   *
> - * Return: 0 on success and failure value on error
> + * Return: NETDEV_TX_OK on success and NETDEV_TX_BUSY when the tx queue is full
>   */
>  static netdev_tx_t xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>  {

I can squash in that change.

Marc

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


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  reply	other threads:[~2018-04-27  7:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-26 21:13 [PATCH 0/3] can: fix ndo_start_xmit()'s " Luc Van Oostenryck
2018-04-26 21:13 ` [PATCH 1/3] can: janz-ican3: fix ican3_xmit()'s " Luc Van Oostenryck
2018-04-26 21:13 ` [PATCH 2/3] can: sun4i: fix sun4ican_start_xmit()'s " Luc Van Oostenryck
2018-04-26 21:13 ` [PATCH 3/3] can: xilinx: fix xcan_start_xmit()'s " Luc Van Oostenryck
2018-04-27  7:49   ` Michal Simek
2018-04-27  7:55     ` Marc Kleine-Budde [this message]
2018-04-27  8:03       ` Michal Simek
2018-04-27  7:21 ` [PATCH 0/3] can: fix ndo_start_xmit()'s " Marc Kleine-Budde

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