netdev - Re: [PATCH 1/3] Export cdc_ncm_{tx,rx}

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Message-ID: <87a9m4w0ju.fsf@nemi.mork.no>
Date:	Wed, 03 Jul 2013 09:43:49 +0200
From:	Bjørn Mork <bjorn@...k.no>
To:	Enrico Mioso <mrkiko.rs@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 1/3] Export cdc_ncm_{tx,rx}_fixup functions

Enrico Mioso <mrkiko.rs@...il.com> writes:

> Exports those functions to be able to re-use them in other drivers if needed.
>
> diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
> index 493277e..22ed51c 100644
> --- a/drivers/net/usb/cdc_ncm.c
> +++ b/drivers/net/usb/cdc_ncm.c
> @@ -885,6 +885,8 @@ error:
>  
>  	return NULL;
>  }
> +EXPORT_SYMBOL_GPL(cdc_ncm_tx_fixup);
> +
>  

Don't add spurious empty lines.



>  /* verify NTB header and return offset of first NDP, or negative error */
>  int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in)
> @@ -1040,6 +1042,7 @@ err_ndp:
>  error:
>  	return 0;
>  }
> +EXPORT_SYMBOL_GPL(cdc_ncm_rx_fixup);
>  
>  static void
>  cdc_ncm_speed_change(struct cdc_ncm_ctx *ctx,
> diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h
> index cc25b70..163244b 100644
> --- a/include/linux/usb/cdc_ncm.h
> +++ b/include/linux/usb/cdc_ncm.h
> @@ -133,3 +133,6 @@ extern void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf);
>  extern struct sk_buff *cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign);
>  extern int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in);
>  extern int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset);
> +struct sk_buff *
> +cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags);

I would have put this on a single line, even if it breaks the 80 character limit.

BTW, is breaking that limit more of a problem for you?  I can certainly
understand that you want to strictly obey it if it is..

> +int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in);

Both of these need "export" I believe...


Bjørn
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