linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Markuss Broks <markuss.broks@gmail.com>,
	linux-kernel@vger.kernel.org
Cc: lkp@intel.com, kbuild-all@lists.01.org,
	phone-devel@vger.kernel.org,
	~postmarketos/upstreaming@lists.sr.ht,
	Markuss Broks <markuss.broks@gmail.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Henrik Rydberg <rydberg@bitmath.org>,
	linux-input@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v6 2/2] Input: add Imagis touchscreen driver
Date: Fri, 25 Feb 2022 10:55:19 +0300	[thread overview]
Message-ID: <202202250109.qr1l07ts-lkp@intel.com> (raw)
In-Reply-To: <20220222203414.8656-3-markuss.broks@gmail.com>

Hi Markuss,

url:    https://github.com/0day-ci/linux/commits/Markuss-Broks/Add-support-for-Imagis-touchscreens/20220223-043645
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: microblaze-randconfig-m031-20220224 (https://download.01.org/0day-ci/archive/20220225/202202250109.qr1l07ts-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/input/touchscreen/imagis.c:305 imagis_suspend() error: uninitialized symbol 'ret'.
drivers/input/touchscreen/imagis.c:321 imagis_resume() error: uninitialized symbol 'ret'.

vim +/ret +305 drivers/input/touchscreen/imagis.c

bc77ee5e0d7309 Markuss Broks 2022-02-22  292  static int __maybe_unused imagis_suspend(struct device *dev)
bc77ee5e0d7309 Markuss Broks 2022-02-22  293  {
bc77ee5e0d7309 Markuss Broks 2022-02-22  294  	struct i2c_client *client = to_i2c_client(dev);
bc77ee5e0d7309 Markuss Broks 2022-02-22  295  	struct imagis_ts *ts = i2c_get_clientdata(client);
bc77ee5e0d7309 Markuss Broks 2022-02-22  296  	int ret;
bc77ee5e0d7309 Markuss Broks 2022-02-22  297  
bc77ee5e0d7309 Markuss Broks 2022-02-22  298  	mutex_lock(&ts->input_dev->mutex);
bc77ee5e0d7309 Markuss Broks 2022-02-22  299  
bc77ee5e0d7309 Markuss Broks 2022-02-22  300  	if (input_device_enabled(ts->input_dev))
bc77ee5e0d7309 Markuss Broks 2022-02-22  301  		ret = imagis_stop(ts);

"ret" not initialized on else path.

bc77ee5e0d7309 Markuss Broks 2022-02-22  302  
bc77ee5e0d7309 Markuss Broks 2022-02-22  303  	mutex_unlock(&ts->input_dev->mutex);
bc77ee5e0d7309 Markuss Broks 2022-02-22  304  
bc77ee5e0d7309 Markuss Broks 2022-02-22 @305  	return ret;
bc77ee5e0d7309 Markuss Broks 2022-02-22  306  }
bc77ee5e0d7309 Markuss Broks 2022-02-22  307  
bc77ee5e0d7309 Markuss Broks 2022-02-22  308  static int __maybe_unused imagis_resume(struct device *dev)
bc77ee5e0d7309 Markuss Broks 2022-02-22  309  {
bc77ee5e0d7309 Markuss Broks 2022-02-22  310  	struct i2c_client *client = to_i2c_client(dev);
bc77ee5e0d7309 Markuss Broks 2022-02-22  311  	struct imagis_ts *ts = i2c_get_clientdata(client);
bc77ee5e0d7309 Markuss Broks 2022-02-22  312  	int ret;
bc77ee5e0d7309 Markuss Broks 2022-02-22  313  
bc77ee5e0d7309 Markuss Broks 2022-02-22  314  	mutex_lock(&ts->input_dev->mutex);
bc77ee5e0d7309 Markuss Broks 2022-02-22  315  
bc77ee5e0d7309 Markuss Broks 2022-02-22  316  	if (input_device_enabled(ts->input_dev))
bc77ee5e0d7309 Markuss Broks 2022-02-22  317  		ret = imagis_start(ts);

same.

bc77ee5e0d7309 Markuss Broks 2022-02-22  318  
bc77ee5e0d7309 Markuss Broks 2022-02-22  319  	mutex_unlock(&ts->input_dev->mutex);
bc77ee5e0d7309 Markuss Broks 2022-02-22  320  
bc77ee5e0d7309 Markuss Broks 2022-02-22 @321  	return ret;
bc77ee5e0d7309 Markuss Broks 2022-02-22  322  }

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


      parent reply	other threads:[~2022-02-25  7:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-22 20:34 [PATCH v6 0/2] Add support for Imagis touchscreens Markuss Broks
2022-02-22 20:34 ` [PATCH v6 1/2] dt-bindings: input/touchscreen: bindings for Imagis Markuss Broks
2022-02-23  8:07   ` Krzysztof Kozlowski
2022-02-23 15:57   ` Rob Herring
2022-02-22 20:34 ` [PATCH v6 2/2] Input: add Imagis touchscreen driver Markuss Broks
2022-02-23  4:59   ` kernel test robot
2022-02-23 15:41   ` kernel test robot
2022-02-25  7:55   ` Dan Carpenter [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202202250109.qr1l07ts-lkp@intel.com \
    --to=dan.carpenter@oracle.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=kbuild-all@lists.01.org \
    --cc=kbuild@lists.01.org \
    --cc=krzk@kernel.org \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lkp@intel.com \
    --cc=markuss.broks@gmail.com \
    --cc=phone-devel@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=rydberg@bitmath.org \
    --cc=~postmarketos/upstreaming@lists.sr.ht \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).