From: Gilad Ben-Yossef <gilad@benyossef.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
David Miller <davem@davemloft.net>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>,
Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
Yael Chemla <yael.chemla@foss.arm.com>
Subject: Re: [PATCH 2/7] crypto: ccrree: no need to check return value of debugfs_create functions
Date: Thu, 24 Jan 2019 09:58:20 +0200 [thread overview]
Message-ID: <CAOtvUMdTC46+dNt9m5eU_JrRDKpKPTv74A6cDCC2yXM=-YkFEA@mail.gmail.com> (raw)
In-Reply-To: <20190123133734.GA24700@kroah.com>
On Wed, Jan 23, 2019 at 3:37 PM Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> On Wed, Jan 23, 2019 at 02:58:22PM +0200, Gilad Ben-Yossef wrote:
> > Hi,
> >
> > On Tue, Jan 22, 2019 at 5:14 PM Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
> > >
> > > When calling debugfs functions, there is no need to ever check the
> > > return value. The function can work or not, but the code logic should
> > > never do something different based on this.
> >
> >
> >
> > I get the part about not failing loading the driver just because some
> > debugs entry isn't available, but wont it be weird if
> > debugfs_create_dir() fails but debugfs_create_regset32() succeeds and
> > we suddenly have weird files in the debugfs root dir?
> > Not the end of the world of course but maybe it's better to avoid
> > trying to create the files if the directory is not available?
>
> See this patch to handle that theoretical issue:
>
> https://lore.kernel.org/lkml/20190123130917.GZ4087@dhcp22.suse.cz/T/#me91cc3d16185be13d64f85c8477c543cbda9baf6
>
Ah, sorry. I've missed that.
Acked-By: Gilad Ben-Yossef <gilad@benyossef.com>
Thanks!
Gilad
--
Gilad Ben-Yossef
Chief Coffee Drinker
values of β will give rise to dom!
next prev parent reply other threads:[~2019-01-24 7:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-22 15:14 [PATCH 0/7] crypto: cleanup debugfs usage Greg Kroah-Hartman
2019-01-22 15:14 ` [PATCH 1/7] crypto: qat: no need to check return value of debugfs_create functions Greg Kroah-Hartman
2019-01-22 15:14 ` [PATCH 2/7] crypto: ccrree: " Greg Kroah-Hartman
2019-01-23 12:58 ` Gilad Ben-Yossef
2019-01-23 13:37 ` Greg Kroah-Hartman
2019-01-24 7:58 ` Gilad Ben-Yossef [this message]
2019-01-22 15:14 ` [PATCH 3/7] crypto: axis: " Greg Kroah-Hartman
2019-01-23 7:37 ` Lars Persson
2019-01-22 15:14 ` [PATCH 4/7] crypto: cavium: zip: " Greg Kroah-Hartman
2019-01-23 13:30 ` Jan Glauber
2019-01-22 15:14 ` [PATCH 5/7] crypto: cavium: nitrox: " Greg Kroah-Hartman
2019-01-22 15:14 ` [PATCH 6/7] crypto: ccp: " Greg Kroah-Hartman
2019-01-22 22:06 ` Gary R Hook
2019-01-23 6:55 ` Greg Kroah-Hartman
2019-01-22 15:14 ` [PATCH 7/7] crypto: caam: " Greg Kroah-Hartman
2019-01-22 15:29 ` Horia Geanta
2019-02-01 6:48 ` [PATCH 0/7] crypto: cleanup debugfs usage Herbert Xu
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