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From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Jonas Jensen <jonas.jensen@gmail.com>,
	linux-mmc@vger.kernel.org, Ulf Hansson <ulf.hansson@linaro.org>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>
Subject: Re: [PATCH v2] mmc: moxart: fix probe logic
Date: Mon, 02 Feb 2015 15:58:49 +0100	[thread overview]
Message-ID: <4754899.RDUhFfxBSW@wuerfel> (raw)
In-Reply-To: <CACmBeS0RGJUzqztQLZtHyTYgCd=jpAoYYk-roH7_VLbfy-+ftw@mail.gmail.com>

On Monday 02 February 2015 11:52:44 Jonas Jensen wrote:
> 
> On 29 January 2015 at 23:06, Arnd Bergmann <arnd@arndb.de> wrote:
> > Jonas Jensen wanted to submit a patch for these, but apparently
> > forgot about it. I stumbled over this symptom first:
> 
> Sorry about this, I remember thinking about the changes but only made
> a mental note (which was lost over time). I was sidetracked with other
> changes and work.
> 
> 
> > @@ -586,10 +586,10 @@ static int moxart_probe(struct platform_device *pdev)
> >                 goto out;
> >         }
> >
> > -       clk = of_clk_get(node, 0);
> > -       if (IS_ERR(clk)) {
> > +       host->clk = of_clk_get(node, 0);
> 
> host->clk is a NULL dereference at this point in probe() (log below).
> 
> I moved the single line "host = mmc_priv(mmc);" to happen just before,
> and everything is working normally again.

Thanks a lot for testing, and finding the second embarrassing bug
in my patch!

Can you forward the patch you successfully tested with your
Signed-off-by?

	Arnd

  reply	other threads:[~2015-02-02 14:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-29 16:15 [PATCH] mmc: moxart: fix probe logic Arnd Bergmann
2015-01-29 17:01 ` Russell King - ARM Linux
2015-01-29 22:04   ` Arnd Bergmann
2015-01-29 22:06   ` [PATCH v2] " Arnd Bergmann
2015-02-02 10:52     ` Jonas Jensen
2015-02-02 14:58       ` Arnd Bergmann [this message]
2015-02-02 15:43         ` [PATCH v3] " Jonas Jensen
2015-02-02 20:03           ` Arnd Bergmann
2015-02-03 15:55             ` [PATCH v4] " Jonas Jensen
2015-02-04  8:40               ` Ulf Hansson
2015-02-03  8:02           ` [PATCH v3] " Ulf Hansson
2015-02-03  9:06             ` Arnd Bergmann

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