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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Martin Kaiser <martin@kaiser.cx>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Larry Finger <Larry.Finger@lwfinger.net>,
	Phillip Potter <phil@philpotter.co.uk>,
	Michael Straube <straube.linux@gmail.com>,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/6] staging: r8188eu: use ARRAY_SIZE for mlme_sta_tbl
Date: Fri, 22 Apr 2022 13:08:01 +0300	[thread overview]
Message-ID: <20220422100800.GG2462@kadam> (raw)
In-Reply-To: <20220417102221.466524-7-martin@kaiser.cx>

On Sun, Apr 17, 2022 at 12:22:21PM +0200, Martin Kaiser wrote:
> Use ARRAY_SIZE instead of hard-coding the number of entries in the
> mlme_sta_tbl array.
> 
> Signed-off-by: Martin Kaiser <martin@kaiser.cx>
> ---
>  drivers/staging/r8188eu/core/rtw_mlme_ext.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> index abb910f33c1c..973adebdd69c 100644
> --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> @@ -404,7 +404,7 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame)
>  		return;
>  
>  	index = (le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_STYPE) >> 4;
> -	if (index > 13)
> +	if (index > ARRAY_SIZE(mlme_sta_tbl))
                  ^
This is an off by one.  Should be >=.  The auto builders would have
caught this eventually.

>  		return;
>  	fct = mlme_sta_tbl[index];

regards,
dan carpenter


  reply	other threads:[~2022-04-22 10:08 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-17 10:22 [PATCH 0/6] staging: r8188eu: clean up mgt_dispatcher Martin Kaiser
2022-04-17 10:22 ` [PATCH 1/6] staging: r8188eu: check receiver address only once Martin Kaiser
2022-04-17 10:22 ` [PATCH 2/6] staging: r8188eu: replace the GetFrameSubType call Martin Kaiser
2022-04-17 10:22 ` [PATCH 3/6] staging: r8188eu: the frame type is shifted out Martin Kaiser
2022-04-17 10:22 ` [PATCH 4/6] staging: r8188eu: replace mlme_handler with function pointer Martin Kaiser
2022-04-17 10:22 ` [PATCH 5/6] staging: r8188eu: don't call empty DoReserved function Martin Kaiser
2022-04-17 10:22 ` [PATCH 6/6] staging: r8188eu: use ARRAY_SIZE for mlme_sta_tbl Martin Kaiser
2022-04-22 10:08   ` Dan Carpenter [this message]
2022-04-22 10:20     ` Martin Kaiser

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