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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Carlo Caione <carlo@caione.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Rob Herring <robh@kernel.org>,
	Paolo Cretaro <paolocretaro@gmail.com>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	"Gustavo A. R. Silva" <garsilva@embeddedor.com>,
	Xingyu Chen <xingyu.chen@amlogic.com>,
	linux-iio@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] iio: adc: meson-saradc: unlock on error in meson_sar_adc_lock()
Date: Mon, 12 Mar 2018 20:43:19 +0000	[thread overview]
Message-ID: <CAFBinCCV7ioofBc7MU6mr4JrVQPMZfMG-kFPB6bcFCJNoMrPPA@mail.gmail.com> (raw)
In-Reply-To: <20180308093153.GB16525@mwanda>

Hi Dan,

On Thu, Mar 8, 2018 at 10:31 AM, Dan Carpenter <dan.carpenter@oracle.com> wrote:
> The meson_sar_adc_lock() function is not supposed to hold the
> "indio_dev->mlock" on the error path.
>
> Fixes: 3adbf3427330 ("iio: adc: add a driver for the SAR ADC found in Amlogic Meson SoCs")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Martin Blumenstingl<martin.blumenstingl@googlemail.com>

(even if I might be too late already since Jonathan already applied this patch)

thank you for finding and fixing this!
out of curiosity: did you find this with some tool (sparse?) or by
looking at the code?


Regards
Martin

WARNING: multiple messages have this Message-ID (diff)
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Carlo Caione <carlo@caione.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Rob Herring <robh@kernel.org>,
	Paolo Cretaro <paolocretaro@gmail.com>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	"Gustavo A. R. Silva" <garsilva@embeddedor.com>,
	Xingyu Chen <xingyu.chen@amlogic.com>,
	linux-iio@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] iio: adc: meson-saradc: unlock on error in meson_sar_adc_lock()
Date: Mon, 12 Mar 2018 21:43:19 +0100	[thread overview]
Message-ID: <CAFBinCCV7ioofBc7MU6mr4JrVQPMZfMG-kFPB6bcFCJNoMrPPA@mail.gmail.com> (raw)
In-Reply-To: <20180308093153.GB16525@mwanda>

Hi Dan,

On Thu, Mar 8, 2018 at 10:31 AM, Dan Carpenter <dan.carpenter@oracle.com> wrote:
> The meson_sar_adc_lock() function is not supposed to hold the
> "indio_dev->mlock" on the error path.
>
> Fixes: 3adbf3427330 ("iio: adc: add a driver for the SAR ADC found in Amlogic Meson SoCs")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Martin Blumenstingl<martin.blumenstingl@googlemail.com>

(even if I might be too late already since Jonathan already applied this patch)

thank you for finding and fixing this!
out of curiosity: did you find this with some tool (sparse?) or by
looking at the code?


Regards
Martin

  parent reply	other threads:[~2018-03-12 20:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-08  9:31 [PATCH] iio: adc: meson-saradc: unlock on error in meson_sar_adc_lock() Dan Carpenter
2018-03-08  9:31 ` Dan Carpenter
2018-03-10 15:15 ` Jonathan Cameron
2018-03-12 20:43 ` Martin Blumenstingl [this message]
2018-03-12 20:43   ` Martin Blumenstingl
2018-03-13  8:16   ` Dan Carpenter
2018-03-13  8:16     ` Dan Carpenter

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