linux-usb.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrew Lunn <andrew@lunn.ch>
To: Igor Russkikh <Igor.Russkikh@aquantia.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Dmitry Bezrukov <Dmitry.Bezrukov@aquantia.com>
Subject: [net-next,09/19] net: usb: aqc111: Implement RX data path
Date: Sat, 6 Oct 2018 03:18:43 +0200	[thread overview]
Message-ID: <20181006011843.GC32455@lunn.ch> (raw)

> +static int aqc111_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
> +{
> +	struct sk_buff *new_skb = NULL;
> +	u32 skb_len = 0;
> +	u32 desc_offset = 0; /*RX Header Offset*/
> +	u32 start_of_descs = 0;
> +	u16 pkt_count = 0;
> +	u32 pkt_total_offset = 0;
> +	struct aq_rx_packet_desc *pkt_desc = NULL;
> +	struct aq_rx_desc_header desc_hdr;
> +
> +	if (!skb)
> +		goto err;
> +
> +	if (skb->len == 0)
> +		goto err;
> +
> +	skb_len = skb->len;
> +	/* RX Offset Header */
> +	skb_trim(skb, skb->len - sizeof(struct aq_rx_desc_header));
> +	memcpy(&desc_hdr, skb_tail_pointer(skb),
> +	       sizeof(struct aq_rx_desc_header));
> +	le64_to_cpus(&desc_hdr);

Same question as for TX.

> +
> +	/* Check these packets */
> +	desc_offset = (u32)desc_hdr.desc_offset;

I don't think you need the cast here.

Please review all your casts and remove any that are not needed.

       Andrew

             reply	other threads:[~2018-10-06  1:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-06  1:18 Andrew Lunn [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-10-09 13:39 [net-next,09/19] net: usb: aqc111: Implement RX data path Bjørn Mork
2018-10-05 10:25 Igor Russkikh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181006011843.GC32455@lunn.ch \
    --to=andrew@lunn.ch \
    --cc=Dmitry.Bezrukov@aquantia.com \
    --cc=Igor.Russkikh@aquantia.com \
    --cc=davem@davemloft.net \
    --cc=linux-usb@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).