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| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-07-09 08:41:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-28 16:25:52 +0200 |
| commit | f6e3fe54b62780208f477e20086ec8256e9dbab6 (patch) | |
| tree | a379cb857a71c0f97bb1defcc2f9e5237e53f082 /drivers/gpio | |
| parent | fbfbedc4f99d96a6060c1310c0a536cd7e7ff768 (diff) | |
| download | linux-f6e3fe54b62780208f477e20086ec8256e9dbab6.tar.gz linux-f6e3fe54b62780208f477e20086ec8256e9dbab6.tar.bz2 linux-f6e3fe54b62780208f477e20086ec8256e9dbab6.zip | |
gpio: wcd934x: check the return value of regmap_update_bits()
[ Upstream commit ff0f0d7c6587e38c308be9905e36f86e98fb9c1f ]
regmap_update_bits() can fail so check its return value in
wcd_gpio_direction_output() for consistency with the rest of the code
and propagate any errors.
Link: https://lore.kernel.org/r/20250709-gpiochip-set-rv-gpio-remaining-v1-2-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-wcd934x.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-wcd934x.c b/drivers/gpio/gpio-wcd934x.c index 97e6caedf1f3..c00968ce7a56 100644 --- a/drivers/gpio/gpio-wcd934x.c +++ b/drivers/gpio/gpio-wcd934x.c @@ -45,9 +45,12 @@ static int wcd_gpio_direction_output(struct gpio_chip *chip, unsigned int pin, int val) { struct wcd_gpio_data *data = gpiochip_get_data(chip); + int ret; - regmap_update_bits(data->map, WCD_REG_DIR_CTL_OFFSET, - WCD_PIN_MASK(pin), WCD_PIN_MASK(pin)); + ret = regmap_update_bits(data->map, WCD_REG_DIR_CTL_OFFSET, + WCD_PIN_MASK(pin), WCD_PIN_MASK(pin)); + if (ret) + return ret; return regmap_update_bits(data->map, WCD_REG_VAL_CTL_OFFSET, WCD_PIN_MASK(pin), |