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From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org
Subject: Re: [RFC PATCH v2 2/6] power: supply: add sw-gauge for SOC estimation and CC correction
Date: Mon, 07 Dec 2020 13:26:06 +0300	[thread overview]
Message-ID: <20201207102606.GV2767@kadam> (raw)
In-Reply-To: <639bd97975a7420f6357bdc6161e1fc427fca79d.1607085199.git.matti.vaittinen@fi.rohmeurope.com>

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Hi Matti,

url:    https://github.com/0day-ci/linux/commits/Matti-Vaittinen/power-supply-Add-some-fuel-gauge-logic/20201204-205731
base:    09162bc32c880a791c6c0668ce0745cf7958f576
config: i386-randconfig-m021-20201205 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

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/power/supply/power_supply_swgauge.c:108 swgauge_set_cycle() error: uninitialized symbol 'ret'.
drivers/power/supply/power_supply_swgauge.c:960 psy_register_sw_gauge() warn: inconsistent indenting
drivers/power/supply/power_supply_swgauge.c:984 psy_remove_sw_gauge() warn: variable dereferenced before check 'sw' (see line 978)

vim +/ret +108 drivers/power/supply/power_supply_swgauge.c

d7d68650b1fb6d Matti Vaittinen 2020-12-04   98  static int swgauge_set_cycle(struct sw_gauge *sw, int new_cycle)
d7d68650b1fb6d Matti Vaittinen 2020-12-04   99  {
d7d68650b1fb6d Matti Vaittinen 2020-12-04  100  	int ret, old_cycle = sw->cycle;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  101  
d7d68650b1fb6d Matti Vaittinen 2020-12-04  102  	if (!sw->desc->allow_set_cycle && !sw->ops.set_cycle)
d7d68650b1fb6d Matti Vaittinen 2020-12-04  103  		return -EINVAL;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  104  
d7d68650b1fb6d Matti Vaittinen 2020-12-04  105  	if (sw->ops.set_cycle)
d7d68650b1fb6d Matti Vaittinen 2020-12-04  106  		ret = sw->ops.set_cycle(sw, old_cycle, &new_cycle);
                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
"ret" not initialized on else path.

d7d68650b1fb6d Matti Vaittinen 2020-12-04  107  
d7d68650b1fb6d Matti Vaittinen 2020-12-04 @108  	if (!ret)
d7d68650b1fb6d Matti Vaittinen 2020-12-04  109  		sw->cycle = new_cycle;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  110  
d7d68650b1fb6d Matti Vaittinen 2020-12-04  111  	return ret;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  112  }

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

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WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC PATCH v2 2/6] power: supply: add sw-gauge for SOC estimation and CC correction
Date: Mon, 07 Dec 2020 13:26:06 +0300	[thread overview]
Message-ID: <20201207102606.GV2767@kadam> (raw)
In-Reply-To: <639bd97975a7420f6357bdc6161e1fc427fca79d.1607085199.git.matti.vaittinen@fi.rohmeurope.com>

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Hi Matti,

url:    https://github.com/0day-ci/linux/commits/Matti-Vaittinen/power-supply-Add-some-fuel-gauge-logic/20201204-205731
base:    09162bc32c880a791c6c0668ce0745cf7958f576
config: i386-randconfig-m021-20201205 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

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/power/supply/power_supply_swgauge.c:108 swgauge_set_cycle() error: uninitialized symbol 'ret'.
drivers/power/supply/power_supply_swgauge.c:960 psy_register_sw_gauge() warn: inconsistent indenting
drivers/power/supply/power_supply_swgauge.c:984 psy_remove_sw_gauge() warn: variable dereferenced before check 'sw' (see line 978)

vim +/ret +108 drivers/power/supply/power_supply_swgauge.c

d7d68650b1fb6d Matti Vaittinen 2020-12-04   98  static int swgauge_set_cycle(struct sw_gauge *sw, int new_cycle)
d7d68650b1fb6d Matti Vaittinen 2020-12-04   99  {
d7d68650b1fb6d Matti Vaittinen 2020-12-04  100  	int ret, old_cycle = sw->cycle;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  101  
d7d68650b1fb6d Matti Vaittinen 2020-12-04  102  	if (!sw->desc->allow_set_cycle && !sw->ops.set_cycle)
d7d68650b1fb6d Matti Vaittinen 2020-12-04  103  		return -EINVAL;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  104  
d7d68650b1fb6d Matti Vaittinen 2020-12-04  105  	if (sw->ops.set_cycle)
d7d68650b1fb6d Matti Vaittinen 2020-12-04  106  		ret = sw->ops.set_cycle(sw, old_cycle, &new_cycle);
                                                                ^^^^^^^^^^^^^^^^^^^^^^^^
"ret" not initialized on else path.

d7d68650b1fb6d Matti Vaittinen 2020-12-04  107  
d7d68650b1fb6d Matti Vaittinen 2020-12-04 @108  	if (!ret)
d7d68650b1fb6d Matti Vaittinen 2020-12-04  109  		sw->cycle = new_cycle;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  110  
d7d68650b1fb6d Matti Vaittinen 2020-12-04  111  	return ret;
d7d68650b1fb6d Matti Vaittinen 2020-12-04  112  }

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

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  parent reply	other threads:[~2020-12-07 10:26 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-04 12:39 [RFC PATCH v2 0/6] power: supply: Add some fuel-gauge logic Matti Vaittinen
2020-12-04 12:41 ` [RFC PATCH v2 1/6] power: supply: add cap2ocv batinfo helper Matti Vaittinen
2020-12-08  8:54   ` Linus Walleij
2020-12-08  9:30     ` Vaittinen, Matti
2020-12-04 12:43 ` [RFC PATCH v2 2/6] power: supply: add sw-gauge for SOC estimation and CC correction Matti Vaittinen
2020-12-04 17:11   ` kernel test robot
2020-12-07 10:26   ` Dan Carpenter [this message]
2020-12-07 10:26     ` Dan Carpenter
2020-12-11  1:05   ` kernel test robot
2020-12-04 12:47 ` [RFC PATCH v2 3/6] mfd: prepare to support BD718xx-charger Matti Vaittinen
2020-12-16  8:49   ` Lee Jones
2020-12-04 12:49 ` [RFC PATCH v2 4/6] mfd: add BD71827 header Matti Vaittinen
2020-12-16  8:53   ` Lee Jones
2020-12-17  9:40     ` Vaittinen, Matti
2020-12-04 12:53 ` [RFC PATCH v2 5/6] power: supply: Add bd718(27/28/78) charger driver Matti Vaittinen
2020-12-04 18:02   ` kernel test robot
2020-12-11  2:47   ` kernel test robot
2020-12-04 12:54 ` [RFC PATCH v2 6/6] MFD: bd71828: differentiate bd71828 and bd71827 chargers Matti Vaittinen
2020-12-16  8:55   ` Lee Jones
  -- strict thread matches above, loose matches on Subject: below --
2020-12-05 23:58 [RFC PATCH v2 2/6] power: supply: add sw-gauge for SOC estimation and CC correction kernel test robot

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