linux-kernel - Re: [PATCH 1/9] clk: actions: Don't reference clk_init

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: <20190816145056.82726206C1@mail.kernel.org>
Date:   Fri, 16 Aug 2019 07:50:55 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 1/9] clk: actions: Don't reference clk_init_data after registration

Quoting Manivannan Sadhasivam (2019-08-16 04:22:10)
> On Wed, Jul 31, 2019 at 12:35:09PM -0700, Stephen Boyd wrote:
> > A future patch is going to change semantics of clk_register() so that
> > clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
> > referencing this member here so that we don't run into NULL pointer
> > exceptions.
> > 
> > Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> > Signed-off-by: Stephen Boyd <sboyd@...nel.org>
> > ---
> > 
> > Please ack so I can take this through clk tree
> > 
> >  drivers/clk/actions/owl-common.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/clk/actions/owl-common.c b/drivers/clk/actions/owl-common.c
> > index 32dd29e0a37e..71b683c4e643 100644
> > --- a/drivers/clk/actions/owl-common.c
> > +++ b/drivers/clk/actions/owl-common.c
> > @@ -68,6 +68,7 @@ int owl_clk_probe(struct device *dev, struct clk_hw_onecell_data *hw_clks)
> >       struct clk_hw *hw;
> >  
> >       for (i = 0; i < hw_clks->num; i++) {
> > +             const char *name = hw->init->name;
> >  
> 
> This should come after below statement and hence the warning is generated
> in linux-next. Sorry for missing!
> 

Oh right. Will fix it.