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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH 02/78] media: marvel-ccic: fix some issues when getting pm_runtime
Date: Sat, 24 Apr 2021 19:12:42 +0800	[thread overview]
Message-ID: <202104241947.f6Bv0umL-lkp@intel.com> (raw)

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CC: kbuild-all(a)lists.01.org
In-Reply-To: <93a8c81827fd7fdd4b50ba5c5f63387519559bf5.1619191723.git.mchehab+huawei@kernel.org>
References: <93a8c81827fd7fdd4b50ba5c5f63387519559bf5.1619191723.git.mchehab+huawei@kernel.org>
TO: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: linuxarm(a)huawei.com
CC: mauro.chehab(a)huawei.com
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: "Gustavo A. R. Silva" <gustavoars@kernel.org>
CC: Allen Pais <allen.lkml@gmail.com>
CC: Chuhong Yuan <hslester96@gmail.com>
CC: Ezequiel Garcia <ezequiel@collabora.com>
CC: Hans Verkuil <hverkuil@xs4all.nl>
CC: Lubomir Rintel <lkundrak@v3.sk>

Hi Mauro,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on rockchip/for-next tegra/for-next v5.12-rc8 next-20210423]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/media-use-pm_runtime_resume_and_get-instead-of-pm_runtime_get_sync/20210424-145029
base:   git://linuxtv.org/media_tree.git master
:::::: branch date: 4 hours ago
:::::: commit date: 4 hours ago
config: i386-randconfig-c021-20210424 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> drivers/media/platform/marvell-ccic/mcam-core.c:1619:3-9: preceding lock on line 1609

vim +1619 drivers/media/platform/marvell-ccic/mcam-core.c

abfa3df36c01a3 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-11  1599  
abfa3df36c01a3 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-11  1600  /* ---------------------------------------------------------------------- */
abfa3df36c01a3 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-11  1601  /*
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1602   * Our various file operations.
abfa3df36c01a3 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-11  1603   */
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1604  static int mcam_v4l_open(struct file *filp)
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1605  {
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1606  	struct mcam_camera *cam = video_drvdata(filp);
949bd4081ffe95 drivers/media/platform/marvell-ccic/mcam-core.c Hans Verkuil          2015-03-05  1607  	int ret;
abfa3df36c01a3 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-11  1608  
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08 @1609  	mutex_lock(&cam->s_mutex);
949bd4081ffe95 drivers/media/platform/marvell-ccic/mcam-core.c Hans Verkuil          2015-03-05  1610  	ret = v4l2_fh_open(filp);
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1611  	if (ret)
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1612  		goto out;
949bd4081ffe95 drivers/media/platform/marvell-ccic/mcam-core.c Hans Verkuil          2015-03-05  1613  	if (v4l2_fh_is_singular_file(filp)) {
81a409bfd5517d drivers/media/platform/marvell-ccic/mcam-core.c Lubomir Rintel        2019-05-28  1614  		ret = sensor_call(cam, core, s_power, 1);
05fed81625bf75 drivers/media/platform/marvell-ccic/mcam-core.c Libin Yang            2013-07-03  1615  		if (ret)
05fed81625bf75 drivers/media/platform/marvell-ccic/mcam-core.c Libin Yang            2013-07-03  1616  			goto out;
52f5b74e58d396 drivers/media/platform/marvell-ccic/mcam-core.c Mauro Carvalho Chehab 2021-04-24  1617  		ret = pm_runtime_resume_and_get(cam->dev);
52f5b74e58d396 drivers/media/platform/marvell-ccic/mcam-core.c Mauro Carvalho Chehab 2021-04-24  1618  		if (ret < 0)
52f5b74e58d396 drivers/media/platform/marvell-ccic/mcam-core.c Mauro Carvalho Chehab 2021-04-24 @1619  			return ret;
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1620  		__mcam_cam_reset(cam);
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1621  		mcam_set_config_needed(cam, 1);
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1622  	}
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1623  out:
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1624  	mutex_unlock(&cam->s_mutex);
44fbcb10cf35e3 drivers/media/platform/marvell-ccic/mcam-core.c Hans Verkuil          2015-03-05  1625  	if (ret)
44fbcb10cf35e3 drivers/media/platform/marvell-ccic/mcam-core.c Hans Verkuil          2015-03-05  1626  		v4l2_fh_release(filp);
d43dae75cc1140 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-07-08  1627  	return ret;
a9b36e850782db drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-20  1628  }
abfa3df36c01a3 drivers/media/video/marvell-ccic/mcam-core.c    Jonathan Corbet       2011-06-11  1629  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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             reply	other threads:[~2021-04-24 11:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-24 11:12 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-04-24  6:44 [PATCH 00/78] media: use pm_runtime_resume_and_get() instead of pm_runtime_get_sync() Mauro Carvalho Chehab
2021-04-24  6:44 ` [PATCH 02/78] media: marvel-ccic: fix some issues when getting pm_runtime Mauro Carvalho Chehab

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