linux-kernel - Re: [PATCH] [media] ad9389b: Remove deprecated create_singlethread

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Date:	Sat, 16 Jul 2016 18:45:46 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:	kbuild-all@...org, Hans Verkuil <hans.verkuil@...co.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH] [media] ad9389b: Remove deprecated
 create_singlethread_workqueue

Hi,

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v4.7-rc7 next-20160715]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Bhaktipriya-Shridhar/ad9389b-Remove-deprecated-create_singlethread_workqueue/20160716-174501
base:   git://linuxtv.org/media_tree.git master
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All warnings (new ones prefixed by >>):

   drivers/media/i2c/ad9389b.c: In function 'ad9389b_probe':
>> drivers/media/i2c/ad9389b.c:1179:1: warning: label 'err_unreg' defined but not used [-Wunused-label]
    err_unreg:
    ^

vim +/err_unreg +1179 drivers/media/i2c/ad9389b.c

117a55b6 Hans Verkuil 2012-07-18  1163  	if (state->edid_i2c_client == NULL) {
117a55b6 Hans Verkuil 2012-07-18  1164  		v4l2_err(sd, "failed to register edid i2c client\n");
6ec735df Wei Yongjun  2013-05-13  1165  		err = -ENOMEM;
117a55b6 Hans Verkuil 2012-07-18  1166  		goto err_entity;
117a55b6 Hans Verkuil 2012-07-18  1167  	}
117a55b6 Hans Verkuil 2012-07-18  1168  
117a55b6 Hans Verkuil 2012-07-18  1169  	INIT_DELAYED_WORK(&state->edid_handler, ad9389b_edid_handler);
117a55b6 Hans Verkuil 2012-07-18  1170  	state->dv_timings = dv1080p60;
117a55b6 Hans Verkuil 2012-07-18  1171  
117a55b6 Hans Verkuil 2012-07-18  1172  	ad9389b_init_setup(sd);
117a55b6 Hans Verkuil 2012-07-18  1173  	ad9389b_set_isr(sd, true);
117a55b6 Hans Verkuil 2012-07-18  1174  
117a55b6 Hans Verkuil 2012-07-18  1175  	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
117a55b6 Hans Verkuil 2012-07-18  1176  		  client->addr << 1, client->adapter->name);
117a55b6 Hans Verkuil 2012-07-18  1177  	return 0;
117a55b6 Hans Verkuil 2012-07-18  1178  
117a55b6 Hans Verkuil 2012-07-18 @1179  err_unreg:
117a55b6 Hans Verkuil 2012-07-18  1180  	i2c_unregister_device(state->edid_i2c_client);
117a55b6 Hans Verkuil 2012-07-18  1181  err_entity:
117a55b6 Hans Verkuil 2012-07-18  1182  	media_entity_cleanup(&sd->entity);
117a55b6 Hans Verkuil 2012-07-18  1183  err_hdl:
117a55b6 Hans Verkuil 2012-07-18  1184  	v4l2_ctrl_handler_free(&state->hdl);
117a55b6 Hans Verkuil 2012-07-18  1185  	return err;
117a55b6 Hans Verkuil 2012-07-18  1186  }
117a55b6 Hans Verkuil 2012-07-18  1187  

:::::: The code at line 1179 was first introduced by commit
:::::: 117a55b69d36a19028d1c59a737ad1246a0a75ad [media] ad9389b: driver for the Analog Devices AD9389B video encoder

:::::: TO: Hans Verkuil <hans.verkuil@...co.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@...hat.com>

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