linux-kernel - Re: [PATCH 1/5] staging: r8188eu: use round

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Message-ID: <e56d9ca89544ad015c6cfabaf2859027c0dd50e5.camel@perches.com>
Date:   Wed, 06 Apr 2022 02:54:30 -0700
From:   Joe Perches <joe@...ches.com>
To:     Michael Straube <straube.linux@...il.com>,
        gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] staging: r8188eu: use round_up() instead of RND4()

On Wed, 2022-04-06 at 08:18 +0200, Michael Straube wrote:
> Use in-kernel round_up() instead of custom RND4().
[]
> diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c
[]
> @@ -63,7 +63,7 @@ void rtw_wep_encrypt(struct adapter *padapter, struct xmit_frame *pxmitframe)
>  				arc4_crypt(ctx, payload + length, crc.f1, 4);
>  
>  				pframe += pxmitpriv->frag_len;
> -				pframe = (u8 *)RND4((size_t)(pframe));
> +				pframe = (u8 *)round_up((size_t)pframe, 4);

Perhaps use PTR_ALIGN

				pframe = PTR_ALIGN(pframe, 4);

etc...