linux-kernel - Re: [PATCH v5 3/3] staging: r8188eu: incorrect type in assignment

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Message-ID: <20210903074517.GG2151@kadam>
Date:   Fri, 3 Sep 2021 11:11:43 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Aakash Hemadri <aakashhemadri123@...il.com>,
        Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/3] staging: r8188eu: incorrect type in assignment

On Thu, Sep 02, 2021 at 11:28:45AM +0200, Greg Kroah-Hartman wrote:
> On Sat, Aug 28, 2021 at 04:40:46PM +0530, Aakash Hemadri wrote:
> > @@ -512,7 +512,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
> >  						tag->tag_len = htons(MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN+old_tag_len);
> >  
> >  						/*  insert the magic_code+client mac in relay tag */
> > -						pMagic = (unsigned short *)tag->tag_data;
> > +						pMagic = (__be16 *)tag->tag_data;
> 
> Is this whole function ever actually called?
> 
> Can someone run a ftrace on the driver to see if this function ever
> runs, and if not, remove it?
> 

Yeah.  That was my thinking when reviewing this patchset is that the NAT
stuff is probably not well tested.  It's only used for WIFI_STATION_STATE
or WIFI_ADHOC_STATE.

I don't think it's dead code but having NAT code in the driver is the
wrong layer probably?

regards,
dan carpenter