Re: [PATCH] usb: phy-tahvo: fix call balance for tu->ick handling routines

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Hi Vitalii,

kernel test robot noticed the following build warnings:

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Vitalii-Mordan/usb-phy-tahvo-fix-call-balance-for-tu-ick-handling-routines/20241209-232934
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20241209152604.1918882-1-mordan%40ispras.ru
patch subject: [PATCH] usb: phy-tahvo: fix call balance for tu->ick handling routines
config: alpha-randconfig-r072-20241215 (https://download.01.org/0day-ci/archive/20241215/202412150530.f03D8q1a-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 14.2.0

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
| Closes: https://lore.kernel.org/r/202412150530.f03D8q1a-lkp@xxxxxxxxx/

smatch warnings:
drivers/usb/phy/phy-tahvo.c:347 tahvo_usb_probe() warn: passing zero to 'PTR_ERR'

vim +/PTR_ERR +347 drivers/usb/phy/phy-tahvo.c

9ba96ae5074c9f Aaro Koskinen   2013-12-06  341  
9ba96ae5074c9f Aaro Koskinen   2013-12-06  342  	mutex_init(&tu->serialize);
9ba96ae5074c9f Aaro Koskinen   2013-12-06  343  
125b175df62ecc Vitalii Mordan  2024-12-09  344  	tu->ick = devm_clk_get_enabled(&pdev->dev, "usb_l4_ick");
125b175df62ecc Vitalii Mordan  2024-12-09  345  	if (!IS_ERR(tu->ick)) {
                                                            ^
This typo breaks the driver.

125b175df62ecc Vitalii Mordan  2024-12-09  346  		dev_err(&pdev->dev, "failed to get and enable clock\n");
125b175df62ecc Vitalii Mordan  2024-12-09 @347  		return PTR_ERR(tu->ick);
125b175df62ecc Vitalii Mordan  2024-12-09  348  	}
9ba96ae5074c9f Aaro Koskinen   2013-12-06  349  
9ba96ae5074c9f Aaro Koskinen   2013-12-06  350  	/*
9ba96ae5074c9f Aaro Koskinen   2013-12-06  351  	 * Set initial state, so that we generate kevents only on state changes.
9ba96ae5074c9f Aaro Koskinen   2013-12-06  352  	 */
9ba96ae5074c9f Aaro Koskinen   2013-12-06  353  	tu->vbus_state = retu_read(rdev, TAHVO_REG_IDSR) & TAHVO_STAT_VBUS;
9ba96ae5074c9f Aaro Koskinen   2013-12-06  354  
860d2686fda7e4 Chanwoo Choi    2015-07-01  355  	tu->extcon = devm_extcon_dev_allocate(&pdev->dev, tahvo_cable);

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki





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