linux-kernel - Re: [PATCH 6/8] rtc: m41t80: add alarm functionality (fwd)

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Date:	Tue, 29 Mar 2016 11:20:49 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Mylène Josserand 
	<mylene.josserand@...e-electrons.com>
cc:	kbuild-all@...org, alexandre.belloni@...e-electrons.com,
	rtc-linux@...glegroups.com,
	Alessandro Zummo <a.zummo@...ertech.it>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] rtc: m41t80: add alarm functionality (fwd)

It looks suspicious.  Please check.

thanks,
julia

---------- Forwarded message ----------
Date: Tue, 29 Mar 2016 15:36:02 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: kbuild@...org
Cc: Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH 6/8] rtc: m41t80: add alarm functionality

CC: kbuild-all@...org
In-Reply-To: <1932c2b8c5f0c5d89c0578c300c9e18a283e8df0.1459233897.git.mylene.josserand@...e-electrons.com>
TO: "Mylène Josserand" <mylene.josserand@...e-electrons.com>
CC: alexandre.belloni@...e-electrons.com, rtc-linux@...glegroups.com
CC: Alessandro Zummo <a.zummo@...ertech.it>, linux-kernel@...r.kernel.org, mylene.josserand@...e-electrons.com

Hi Mylène,

[auto build test WARNING on abelloni/rtc-next]
[also build test WARNING on v4.6-rc1 next-20160329]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Myl-ne-Josserand/rtc-m41t80-update-sysfs-entries-export/20160329-150848
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
:::::: branch date: 27 minutes ago
:::::: commit date: 27 minutes ago

>> drivers/rtc/rtc-m41t80.c:105:2-8: preceding lock on line 101

git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 41be232d1b3079b5d675eea5e95fd7ab39c2a1b2
vim +105 drivers/rtc/rtc-m41t80.c

41be232d Mylène Josserand 2016-03-29   95  	struct i2c_client *client = dev_id;
41be232d Mylène Josserand 2016-03-29   96  	struct m41t80_data *m41t80 = i2c_get_clientdata(client);
41be232d Mylène Josserand 2016-03-29   97  	struct mutex *lock = &m41t80->rtc->ops_lock;
41be232d Mylène Josserand 2016-03-29   98  	unsigned long events = 0;
41be232d Mylène Josserand 2016-03-29   99  	int flags, flags_afe;
41be232d Mylène Josserand 2016-03-29  100
41be232d Mylène Josserand 2016-03-29 @101  	mutex_lock(lock);
41be232d Mylène Josserand 2016-03-29  102
41be232d Mylène Josserand 2016-03-29  103  	flags_afe = i2c_smbus_read_byte_data(client, M41T80_REG_ALARM_MON);
41be232d Mylène Josserand 2016-03-29  104  	if (flags_afe < 0)
41be232d Mylène Josserand 2016-03-29 @105  		return IRQ_NONE;
41be232d Mylène Josserand 2016-03-29  106
41be232d Mylène Josserand 2016-03-29  107  	flags = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);
41be232d Mylène Josserand 2016-03-29  108  	if (flags <= 0)

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