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drivers: gpio: Fix unchecked return value in gpio_pca_series

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Fix unchecked return value scanned by Coverity.

Signed-off-by: James Roy <rruuaanng@outlook.com>
This commit is contained in:
James Roy 2024-12-16 21:57:18 +08:00 committed by Benjamin Cabé
parent 6f1fc6e96c
commit 3cf4347c15
1 changed files with 3 additions and 3 deletions
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6
drivers/gpio/gpio_pca_series.c
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@ -376,7 +376,7 @@ static inline int gpio_pca_series_reg_write(const struct device *dev,
#ifdef CONFIG_GPIO_PCA_SERIES_CACHE_ALL
if (gpio_pca_series_reg_cache_offset(dev, reg_type) != PCA_REG_INVALID) {
gpio_pca_series_reg_cache_update(dev, reg_type, buf);
(void)gpio_pca_series_reg_cache_update(dev, reg_type, buf);
}
#endif /* CONFIG_GPIO_PCA_SERIES_CACHE_ALL */
@ -853,11 +853,11 @@ void gpio_pca_series_cache_test(const struct device *dev)
expected_offset += cache_size;
LOG_WRN("testing reg %d size %d", reg_type, cache_size);
gpio_pca_series_reg_cache_update(dev, reg_type, reset_value_0);
(void)gpio_pca_series_reg_cache_update(dev, reg_type, reset_value_0);
*buffer_p = 0;
gpio_pca_series_reg_cache_read(dev, reg_type, buffer);
LOG_WRN("fill 00, result: 0x%16.16x", *buffer_p);
gpio_pca_series_reg_cache_update(dev, reg_type, reset_value_1);
(void)gpio_pca_series_reg_cache_update(dev, reg_type, reset_value_1);
*buffer_p = 0;
gpio_pca_series_reg_cache_read(dev, reg_type, buffer);
LOG_WRN("fill ff, result: 0x%16.16x", *buffer_p);