linux-kernel - Re: [PATCH] drivers/net/wireless/iwlwifi/iwl-3945.c

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <1215049912.14590.525.camel@debian.sh.intel.com>
Date:	Thu, 03 Jul 2008 09:51:52 +0800
From:	Zhu Yi <yi.zhu@...el.com>
To:	"John W. Linville" <linville@...driver.com>
Cc:	Darren Jenkins <darrenrjenkins@...il.com>,
	kernel Janitors <kernel-janitors@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	ipw2100-admin@...ux.intel.com, reinette.chatre@...el.com
Subject: Re: [PATCH]  drivers/net/wireless/iwlwifi/iwl-3945.c

On Wed, 2008-07-02 at 15:24 -0400, John W. Linville wrote:
> What about the format line in the IWL_DEBUG_RX that uses rate?
> 
> Also, please use an email subject that is more descriptive than just
> the filename.  You should probably drop the "G'day..." line as well.

Side with John.

> On Wed, Jul 02, 2008 at 11:37:27AM +1000, Darren Jenkins" wrote:
> > G'day people
> > 
> > Coverity CID: 2265 NEGATIVE_RETURNS
> > 
> > "rate" is of an unsigned type, and the code requires a signed type.
> > The following patch makes it so.
> > 
> > Only compile tested.
> > 
> > Signed-off-by: Darren Jenkins <darrenrjenkins@...ilcom>
> > 
> > diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
> > index 62a3d8f..31d38cd 100644
> > --- a/drivers/net/wireless/iwlwifi/iwl-3945.c
> > +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
> > @@ -449,7 +449,7 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
> >  
> >  	if (print_summary) {
> >  		char *title;
> > -		u32 rate;
> > +		int rate;
> >  
> >  		if (hundred)
> >  			title = "100Frames";

The rate variable here takes two roles: one for calculate the index
(singed) and the other for the actual rate (unsigned). I think if you do
want to fix this, create another local variable int idx to hold the
index result.

Thanks,
-yi

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/