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drivers/pinctrl/pinctrl-aw9523.c:658 aw9523_gpio_set_multiple() warn: inconsistent returns '&awi->i2c_lock'.

PATCH kernel test robot 1 participant 1 message Jun 19, 2025

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BCC: [email protected]
CC: [email protected]
CC: [email protected]
TO: Bartosz Golaszewski <[email protected]>
CC: Linus Walleij <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
head:   62be3d6e481122f02364993fee8322a681072918
commit: dffe286e2428a32bf5a70648d22a678b83080414 [42/53] pinctrl: aw9523: use new GPIO line value setter callbacks

:::::: branch date: 5 hours ago
:::::: commit date: 24 hours ago
config: x86_64-randconfig-161-20250619 (https://download.01.org/0day-ci/archive/20250619/[email protected]/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)

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 <[email protected]>
| Reported-by: Dan Carpenter <[email protected]>
| Closes: https://lore.kernel.org/r/[email protected]/

New smatch warnings:
drivers/pinctrl/pinctrl-aw9523.c:658 aw9523_gpio_set_multiple() warn: inconsistent returns '&awi->i2c_lock'.

Old smatch warnings:
drivers/pinctrl/pinctrl-aw9523.c:354 aw9523_pconf_set() error: uninitialized symbol 'rc'. drivers/pinctrl/pinctrl-aw9523.c:625 aw9523_gpio_get_multiple() error: uninitialized symbol 'ret'.

vim +658 drivers/pinctrl/pinctrl-aw9523.c

576623d706613f AngeloGioacchino Del Regno 2024-03-01  627  
dffe286e2428a3 Bartosz Golaszewski        2025-06-12  628  static int aw9523_gpio_set_multiple(struct gpio_chip *chip,
576623d706613f AngeloGioacchino Del Regno 2024-03-01  629  				    unsigned long *mask,
576623d706613f AngeloGioacchino Del Regno 2024-03-01  630  				    unsigned long *bits)
576623d706613f AngeloGioacchino Del Regno 2024-03-01  631  {
576623d706613f AngeloGioacchino Del Regno 2024-03-01  632  	struct aw9523 *awi = gpiochip_get_data(chip);
576623d706613f AngeloGioacchino Del Regno 2024-03-01  633  	u8 mask_lo, mask_hi, bits_lo, bits_hi;
576623d706613f AngeloGioacchino Del Regno 2024-03-01  634  	unsigned int reg;
dffe286e2428a3 Bartosz Golaszewski        2025-06-12  635  	int ret = 0;
576623d706613f AngeloGioacchino Del Regno 2024-03-01  636  
4210ef801a2482 Andy Shevchenko            2024-03-29  637  	mask_lo = *mask;
4210ef801a2482 Andy Shevchenko            2024-03-29  638  	mask_hi = *mask >> 8;
4210ef801a2482 Andy Shevchenko            2024-03-29  639  	bits_lo = *bits;
4210ef801a2482 Andy Shevchenko            2024-03-29  640  	bits_hi = *bits >> 8;
4210ef801a2482 Andy Shevchenko            2024-03-29  641  
576623d706613f AngeloGioacchino Del Regno 2024-03-01  642  	mutex_lock(&awi->i2c_lock);
576623d706613f AngeloGioacchino Del Regno 2024-03-01  643  	if (mask_hi) {
576623d706613f AngeloGioacchino Del Regno 2024-03-01  644  		reg = AW9523_REG_OUT_STATE(AW9523_PINS_PER_PORT);
576623d706613f AngeloGioacchino Del Regno 2024-03-01  645  		ret = regmap_write_bits(awi->regmap, reg, mask_hi, bits_hi);
091655b9285d83 Andy Shevchenko            2024-03-29  646  		if (ret)
dffe286e2428a3 Bartosz Golaszewski        2025-06-12  647  			goto out;
576623d706613f AngeloGioacchino Del Regno 2024-03-01  648  	}
576623d706613f AngeloGioacchino Del Regno 2024-03-01  649  	if (mask_lo) {
576623d706613f AngeloGioacchino Del Regno 2024-03-01  650  		reg = AW9523_REG_OUT_STATE(0);
576623d706613f AngeloGioacchino Del Regno 2024-03-01  651  		ret = regmap_write_bits(awi->regmap, reg, mask_lo, bits_lo);
576623d706613f AngeloGioacchino Del Regno 2024-03-01  652  		if (ret)
dffe286e2428a3 Bartosz Golaszewski        2025-06-12  653  			goto out;
576623d706613f AngeloGioacchino Del Regno 2024-03-01  654  	}
576623d706613f AngeloGioacchino Del Regno 2024-03-01  655  	mutex_unlock(&awi->i2c_lock);
dffe286e2428a3 Bartosz Golaszewski        2025-06-12  656  
dffe286e2428a3 Bartosz Golaszewski        2025-06-12  657  out:

dffe286e2428a3 Bartosz Golaszewski 2025-06-12 @658 return ret;
576623d706613f AngeloGioacchino Del Regno 2024-03-01 659 } 576623d706613f AngeloGioacchino Del Regno 2024-03-01 660

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