linux-kernel - Re: [PATCH V2] staging: rtl8192e: Fix signedness bug in rtllib_rx_assoc

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Message-ID: <8973092.rMLUfLXkoz@leap>
Date:   Fri, 15 Apr 2022 07:22:36 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     gregkh@...uxfoundation.org, davem@...emloft.net,
        dan.carpenter@...cle.com, len.baker@....com, dave@...olabs.net,
        edumazet@...gle.com, Haowen Bai <baihaowen@...zu.com>
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Haowen Bai <baihaowen@...zu.com>
Subject: Re: [PATCH V2] staging: rtl8192e: Fix signedness bug in rtllib_rx_assoc_resp()

On venerdì 15 aprile 2022 04:09:31 CEST Haowen Bai wrote:
> function rtllib_rx_assoc_resp () unsigned errcode receive auth_parse()'s
> errcode -ENOMEM.
> 
> Signed-off-by: Haowen Bai <baihaowen@...zu.com>
> ---
> V1->V2: reduce return random value; print its own error message.
> 
>  drivers/staging/rtl8192e/rtllib_softmac.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 

> [snip]

It looks like you are doing too many things and that those aren't even 
discussed in your commit message.

> @@ -2292,8 +2292,8 @@ 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));

Why did you call le16_to_cpu(errcode)? 
If I'm not missing something, it looks that auth_parse() already returns 
native endian u16 values.

Thanks,

Fabio M. De Francesco