linux-kernel - Re: [PATCH V4] staging: rtl8192e: Fix signedness bug in rtllib_rx_assoc

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Date:   Mon, 18 Apr 2022 09:48:03 +0800
From:   baihaowen <baihaowen@...zu.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-staging@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V4] staging: rtl8192e: Fix signedness bug in
 rtllib_rx_assoc_resp()

在 4/15/22 2:58 PM, Dan Carpenter 写道:
> On Fri, Apr 15, 2022 at 02:39:27PM +0800, Haowen Bai wrote:
>> This commit message suggested by Dan Carpenter as below:
> You don't need to add this.  If you feel you must then put it below the
> --- cut off line and it will be stored on lore.kernel.org until the end
> of time.
>
>> @@ -2292,8 +2298,8 @@ static void rtllib_rx_auth_resp(struct rtllib_device *ieee, struct sk_buff *skb)
>>  	if (errcode) {
>>  		ieee->softmac_stats.rx_auth_rs_err++;
>>  		netdev_info(ieee->dev,
>> -			    "Authentication response status code 0x%x",
>> -			    errcode);
>> +			    "Authentication response status code %d",
>> +			    le16_to_cpu(errcode));
> The error code is not a le16.  It's just an int.  The way to prevent
> these kinds of issues in the future is to run Sparse with the endian
> checking enabled.
>
> https://lwn.net/Articles/205624/
>
> regards,
> dan carpenter
>
Dear Dan Carpenter
Got it, thank you for your professional and patience.

-- 
Haowen Bai