linux-kernel - Re: [PATCH v2] staging: rtl8712: rtl8712: fix sparse warnings

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Date:   Wed, 8 Feb 2017 09:13:24 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Carlos Palminha <CARLOS.PALMINHA@...opsys.com>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org
Subject: Re: [PATCH v2] staging: rtl8712: rtl8712: fix sparse warnings

On Wed, Feb 08, 2017 at 01:23:15AM +0000, Carlos Palminha wrote:
> Fixed sparse warnings
> * No need to convert from le32, pointers for structure with same endianness (cast from restricted __le32)
> * Need to convert bitwise operation for le32 structure (invalid assignment from int to __le32)
> 
> Signed-off-by: Carlos Palminha <palminha@...opsys.com>
> ---
> Changes v1->v2:
> * Clarify patch description to ensure confidence
> 
>  drivers/staging/rtl8712/rtl8712_xmit.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/rtl8712/rtl8712_xmit.c b/drivers/staging/rtl8712/rtl8712_xmit.c
> index c4f03a602a2e..67713643c923 100644
> --- a/drivers/staging/rtl8712/rtl8712_xmit.c
> +++ b/drivers/staging/rtl8712/rtl8712_xmit.c
> @@ -561,19 +561,19 @@ static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz)
> 
>  			ptxdesc_mp = &txdesc_mp;
>  			/* offset 8 */
> -			ptxdesc->txdw2 = cpu_to_le32(ptxdesc_mp->txdw2);
> +			ptxdesc->txdw2 = ptxdesc_mp->txdw2;

Nah...  The original is done deliberately.  When I'm reviewing this
patch I can see that now.

Just leave this as-is.

regards,
dan carpenter