linux-kernel - Re: [patch net-next] stmmac: indent an if statement

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Message-ID: <alpine.DEB.2.20.1701171244400.2779@hadrien>
Date:   Tue, 17 Jan 2017 12:45:00 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Alexandre Torgue <alexandre.torgue@...com>
cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        David Miller <davem@...emloft.net>, peppe.cavallaro@...com,
        Joao.Pinto@...opsys.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch net-next] stmmac: indent an if statement



On Tue, 17 Jan 2017, Alexandre Torgue wrote:

> Hi Julia
>
> On 01/16/2017 11:10 PM, Julia Lawall wrote:
> >
> >
> > On Tue, 17 Jan 2017, Dan Carpenter wrote:
> >
> > > On Mon, Jan 16, 2017 at 10:46:22PM +0100, Julia Lawall wrote:
> > > >
> > > >
> > > > On Mon, 16 Jan 2017, Dan Carpenter wrote:
> > > >
> > > > > On Mon, Jan 16, 2017 at 12:19:24PM +0300, Dan Carpenter wrote:
> > > > > > On Sun, Jan 15, 2017 at 10:14:38PM -0500, David Miller wrote:
> > > > > > > From: Dan Carpenter <dan.carpenter@...cle.com>
> > > > > > > Date: Thu, 12 Jan 2017 21:46:32 +0300
> > > > > > >
> > > > > > > > The break statement should be indented one more tab.
> > > > > > > >
> > > > > > > > Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> > > > > > >
> > > > > > > Applied, but like Julia I think we might have a missing
> > > > > > > of_node_put()
> > > > > > > here.
> > > > > >
> > > > > > Of course, sorry for dropping the ball on this.  I'll send a patch
> > > > > > for
> > > > > > that.
> > > > > >
> > > > >
> > > > > Actually, I've looked at it some more and I think this function is OK.
> > > > > We're supposed to do an of_node_put() later...  I can't find where
> > > > > that
> > > > > happens, but presumably that's because I don't know stmmac well.  This
> > > > > code here, though, is fine.
> > > >
> > > > Why do you think it is fine?  Does anyone in the calling context know
> > > > which child would have caused the break?
> > >
> > > Yeah.  It's saved in plat->mdio_node and we expect to be holding on
> > > either path through the function.
> > >
> > > (It would be better if one of the stmmac people were responding here
> > > insead of a random fix the indenting weenie like myself.)
> >
> > OK, I agree that there should not be an of_node_put with the break.
> >
> > Perhaps there should be an of_node_put on plat->mdio_node in
> > stmmac_remove_config_dt, like there is an of_node_put on plat->phy_node.
> > But it would certainly be helpful to hear from someone who knows the code
> > better.
>
> I also think it's missing! Can you propose a patch ?

Done.  Thanks for the clarification.

julia