linux-kernel - Re: [PATCH] staging: rtl8723au: Fix sparse warnings

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Date:	Fri, 12 Dec 2014 22:43:01 -0800
From:	Joe Perches <joe@...ches.com>
To:	Krzysztof Konopko <kris@...agma.com>
Cc:	Larry Finger <Larry.Finger@...inger.net>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-wireless@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8723au: Fix sparse warnings

On Fri, 2014-12-12 at 23:58 +0100, Krzysztof Konopko wrote:
> This patch changes the types of the struct fields involved to be
> little-endian which is what is received over the air and consistent with
> relevant structs in include/linux/ieee80211.h.
[]
> diff --git a/drivers/staging/rtl8723au/include/wifi.h b/drivers/staging/rtl8723au/include/wifi.h
[]
> @@ -28,7 +28,7 @@
>  struct AC_param {
>  	unsigned char		ACI_AIFSN;
>  	unsigned char		CW;
> -	unsigned short	TXOP_limit;
> +	__le16			TXOP_limit;
>  }  __packed;
>  
>  struct WMM_para_element {
> @@ -39,9 +39,9 @@ struct WMM_para_element {
>  
>  struct ADDBA_request {
>  	unsigned char		dialog_token;
> -	unsigned short	BA_para_set;
> -	unsigned short	BA_timeout_value;
> -	unsigned short	BA_starting_seqctrl;
> +	__le16		BA_para_set;
> +	__le16		BA_timeout_value;
> +	__le16		BA_starting_seqctrl;
>  }  __packed;

If I did this, I would also change the
unsigned char uses to u8 at the same time.



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