linux-kernel - Re: [PATCH v2 mvebu + mvebu/dt64 1/6] firmware: turris-mox-rwtm: fix reply status decoding function

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]

Date:   Tue, 11 May 2021 23:46:46 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Marek Behún <kabel@...nel.org>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 mvebu + mvebu/dt64 1/6] firmware: turris-mox-rwtm: fix
 reply status decoding function

On Wednesday 05 May 2021 18:20:46 Andrew Lunn wrote:
> On Wed, May 05, 2021 at 06:04:33PM +0200, Marek Behún wrote:
> > On Mon, 3 May 2021 14:22:49 +0200
> > Andrew Lunn <andrew@...n.ch> wrote:
> > 
> > > On Thu, Apr 29, 2021 at 10:36:31AM +0200, Pali Rohár wrote:
> > > > From: Marek Behún <kabel@...nel.org>
> > > > 
> > > > The status decoding function mox_get_status() currently contains a dead
> > > > code path: if the error status is not MBOX_STS_SUCCESS, it always
> > > > returns -EIO, so the comparison to MBOX_STS_FAIL is never executed and
> > > > we don't get the actual error code sent by the firmware.
> > > > 
> > > > Fix this.
> > > > 
> > > > Signed-off-by: Marek Behún <kabel@...nel.org>
> > > > Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")  
> > > 
> > > You have put a fixes tag here, meaning you want it in stable? How does
> > > dead code elimination fulfil the stable requirements?
> > > 
> > > Do any of these changes contain real fixes?
> > > 
> > >    Andrew
> > 
> > Andrew, this is not dead code elimination.
> 
> Please word you commit message differently.
> 
> The status decoding function mox_get_status() currently contains an
> incorrect check: ...
> 
> 	  Andrew

Andrew, Marek has already updated commit message and I have sent a new
version v3 of this patch series with this update. It is OK now?