From: Julia Lawall <julia.lawall@lip6.fr>
To: Guenter Roeck <linux@roeck-us.net>
Cc: linux-hwmon@vger.kernel.org, kbuild-all@01.org
Subject: [hwmon:hwmon-playground 130/134] drivers/hwmon/max6650.c:632:4-10: preceding lock on line 616 (fwd)
Date: Tue, 23 Apr 2019 22:09:45 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.21.1904232208420.2470@hadrien> (raw)
Hello,
It looks like a goto may be wanted on line 632.
julia
---------- Forwarded message ----------
Date: Wed, 24 Apr 2019 03:38:39 +0800
From: kbuild test robot <lkp@intel.com>
To: kbuild@01.org
Cc: Julia Lawall <julia.lawall@lip6.fr>
Subject: [hwmon:hwmon-playground 130/134] drivers/hwmon/max6650.c:632:4-10:
preceding lock on line 616
CC: kbuild-all@01.org
CC: linux-hwmon@vger.kernel.org
TO: Guenter Roeck <linux@roeck-us.net>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-playground
head: 05d763050bbaa40daa4b60a3912c9311ca5791a5
commit: 77d270a1d4db919db0b02fec1d85ad5a57d556d7 [130/134] hwmon: (max6650) Convert to use devm_hwmon_device_register_with_info
:::::: branch date: 6 hours ago
:::::: commit date: 6 hours ago
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
>> drivers/hwmon/max6650.c:632:4-10: preceding lock on line 616
# https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git/commit/?id=77d270a1d4db919db0b02fec1d85ad5a57d556d7
git remote add hwmon https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
git remote update hwmon
git checkout 77d270a1d4db919db0b02fec1d85ad5a57d556d7
vim +632 drivers/hwmon/max6650.c
77d270a1d Guenter Roeck 2019-04-20 608
77d270a1d Guenter Roeck 2019-04-20 609 static int max6650_write(struct device *dev, enum hwmon_sensor_types type,
77d270a1d Guenter Roeck 2019-04-20 610 u32 attr, int channel, long val)
77d270a1d Guenter Roeck 2019-04-20 611 {
77d270a1d Guenter Roeck 2019-04-20 612 struct max6650_data *data = dev_get_drvdata(dev);
77d270a1d Guenter Roeck 2019-04-20 613 int ret = 0;
77d270a1d Guenter Roeck 2019-04-20 614 u8 reg;
77d270a1d Guenter Roeck 2019-04-20 615
77d270a1d Guenter Roeck 2019-04-20 @616 mutex_lock(&data->update_lock);
77d270a1d Guenter Roeck 2019-04-20 617
77d270a1d Guenter Roeck 2019-04-20 618 switch (type) {
77d270a1d Guenter Roeck 2019-04-20 619 case hwmon_pwm:
77d270a1d Guenter Roeck 2019-04-20 620 switch (attr) {
77d270a1d Guenter Roeck 2019-04-20 621 case hwmon_pwm_input:
77d270a1d Guenter Roeck 2019-04-20 622 reg = pwm_to_dac(clamp_val(val, 0, 255),
77d270a1d Guenter Roeck 2019-04-20 623 data->config & MAX6650_CFG_V12);
77d270a1d Guenter Roeck 2019-04-20 624 ret = i2c_smbus_write_byte_data(data->client,
77d270a1d Guenter Roeck 2019-04-20 625 MAX6650_REG_DAC, reg);
77d270a1d Guenter Roeck 2019-04-20 626 if (ret)
77d270a1d Guenter Roeck 2019-04-20 627 break;
77d270a1d Guenter Roeck 2019-04-20 628 data->dac = reg;
77d270a1d Guenter Roeck 2019-04-20 629 break;
77d270a1d Guenter Roeck 2019-04-20 630 case hwmon_pwm_enable:
77d270a1d Guenter Roeck 2019-04-20 631 if (val < 0 || val >= ARRAY_SIZE(max6650_pwm_modes))
77d270a1d Guenter Roeck 2019-04-20 @632 return -EINVAL;
77d270a1d Guenter Roeck 2019-04-20 633 ret = max6650_set_operating_mode(data,
77d270a1d Guenter Roeck 2019-04-20 634 max6650_pwm_modes[val]);
77d270a1d Guenter Roeck 2019-04-20 635 break;
77d270a1d Guenter Roeck 2019-04-20 636 default:
77d270a1d Guenter Roeck 2019-04-20 637 ret = -EOPNOTSUPP;
77d270a1d Guenter Roeck 2019-04-20 638 break;
77d270a1d Guenter Roeck 2019-04-20 639 }
77d270a1d Guenter Roeck 2019-04-20 640 case hwmon_fan:
77d270a1d Guenter Roeck 2019-04-20 641 switch (attr) {
77d270a1d Guenter Roeck 2019-04-20 642 case hwmon_fan_div:
77d270a1d Guenter Roeck 2019-04-20 643 switch (val) {
77d270a1d Guenter Roeck 2019-04-20 644 case 1:
77d270a1d Guenter Roeck 2019-04-20 645 reg = 0;
77d270a1d Guenter Roeck 2019-04-20 646 break;
77d270a1d Guenter Roeck 2019-04-20 647 case 2:
77d270a1d Guenter Roeck 2019-04-20 648 reg = 1;
77d270a1d Guenter Roeck 2019-04-20 649 break;
77d270a1d Guenter Roeck 2019-04-20 650 case 4:
77d270a1d Guenter Roeck 2019-04-20 651 reg = 2;
77d270a1d Guenter Roeck 2019-04-20 652 break;
77d270a1d Guenter Roeck 2019-04-20 653 case 8:
77d270a1d Guenter Roeck 2019-04-20 654 reg = 3;
77d270a1d Guenter Roeck 2019-04-20 655 break;
77d270a1d Guenter Roeck 2019-04-20 656 default:
77d270a1d Guenter Roeck 2019-04-20 657 ret = -EINVAL;
77d270a1d Guenter Roeck 2019-04-20 658 goto error;
77d270a1d Guenter Roeck 2019-04-20 659 }
77d270a1d Guenter Roeck 2019-04-20 660 ret = i2c_smbus_write_byte_data(data->client,
77d270a1d Guenter Roeck 2019-04-20 661 MAX6650_REG_COUNT, reg);
77d270a1d Guenter Roeck 2019-04-20 662 if (ret)
77d270a1d Guenter Roeck 2019-04-20 663 break;
77d270a1d Guenter Roeck 2019-04-20 664 data->count = reg;
77d270a1d Guenter Roeck 2019-04-20 665 break;
77d270a1d Guenter Roeck 2019-04-20 666 case hwmon_fan_target:
77d270a1d Guenter Roeck 2019-04-20 667 if (val < 0) {
77d270a1d Guenter Roeck 2019-04-20 668 ret = -EINVAL;
77d270a1d Guenter Roeck 2019-04-20 669 break;
77d270a1d Guenter Roeck 2019-04-20 670 }
77d270a1d Guenter Roeck 2019-04-20 671 ret = max6650_set_target(data, val);
77d270a1d Guenter Roeck 2019-04-20 672 break;
77d270a1d Guenter Roeck 2019-04-20 673 default:
77d270a1d Guenter Roeck 2019-04-20 674 ret = -EOPNOTSUPP;
77d270a1d Guenter Roeck 2019-04-20 675 break;
77d270a1d Guenter Roeck 2019-04-20 676 }
77d270a1d Guenter Roeck 2019-04-20 677 break;
77d270a1d Guenter Roeck 2019-04-20 678 default:
77d270a1d Guenter Roeck 2019-04-20 679 ret = -EOPNOTSUPP;
77d270a1d Guenter Roeck 2019-04-20 680 break;
77d270a1d Guenter Roeck 2019-04-20 681 }
77d270a1d Guenter Roeck 2019-04-20 682
77d270a1d Guenter Roeck 2019-04-20 683 error:
77d270a1d Guenter Roeck 2019-04-20 684 mutex_unlock(&data->update_lock);
77d270a1d Guenter Roeck 2019-04-20 685 return ret;
77d270a1d Guenter Roeck 2019-04-20 686 }
77d270a1d Guenter Roeck 2019-04-20 687
---
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next reply other threads:[~2019-04-23 20:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-23 20:09 Julia Lawall [this message]
2019-04-23 20:56 ` [hwmon:hwmon-playground 130/134] drivers/hwmon/max6650.c:632:4-10: preceding lock on line 616 (fwd) Guenter Roeck
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