linux-kernel - Re: [PATCH 01/20] staging/wilc1000: add struct net

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Date:	Tue, 10 Nov 2015 16:02:48 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Johnny Kim <johnny.kim@...el.com>,
	Austin Shin <austin.shin@...el.com>,
	Chris Park <chris.park@...el.com>,
	Tony Cho <tony.cho@...el.com>, Glen Lee <glen.lee@...el.com>,
	Leo Kim <leo.kim@...el.com>, linux-wireless@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/20] staging/wilc1000: add struct net_device declaration

On Wed, Nov 11, 2015 at 12:42:21AM +0100, Arnd Bergmann wrote:
> A recent cleanup added a reference to struct net_device, but
> that structure is not always visible in the context of the
> declaration, so we may get a compile-time error:
> 
> In file included from wilc1000/host_interface.c:5:0:
> wilc1000/host_interface.h:705:46: warning: 'struct net_device' declared inside parameter list
>  s32 wilc_init(struct net_device *dev, struct host_if_drv **phWFIDrv);
> 
> This adds a forward-declaration for the structure name to avoid
> that error.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: d5382219138d ("staging: wilc1000: host_int_init: add argument net_device")
> ---
>  drivers/staging/wilc1000/host_interface.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h
> index 57e1d424afdc..29a92d690384 100644
> --- a/drivers/staging/wilc1000/host_interface.h
> +++ b/drivers/staging/wilc1000/host_interface.h
> @@ -369,6 +369,7 @@ s32 host_int_scan(struct host_if_drv *hWFIDrv, u8 u8ScanSource,
>  s32 hif_set_cfg(struct host_if_drv *hWFIDrv,
>  		struct cfg_param_val *pstrCfgParamVal);
>  s32 hif_get_cfg(struct host_if_drv *hWFIDrv, u16 u16WID, u16 *pu16WID_Value);
> +struct net_device;

I think this is already fixed in my staging-testing branch, right?

and as Joe said, a #include would be nicer.

thanks,

greg k-h
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