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iio:proximity:sx9324: Check ret value of device_property_read_u32_array()
commit70171ed6dc
upstream. 0-day reports: drivers/iio/proximity/sx9324.c:868:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] Put an if condition to break out of switch if ret is non-zero. Signed-off-by: Aashish Sharma <shraash@google.com> Fixes:a8ee3b32f5
("iio:proximity:sx9324: Add dt_binding support") Reported-by: kernel test robot <lkp@intel.com> [swboyd@chromium.org: Reword commit subject, add fixes tag] Signed-off-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Gwendal Grignou <gwendal@chromium.org> Link: https://lore.kernel.org/r/20220613232224.2466278-1-swboyd@chromium.org Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -885,6 +885,9 @@ sx9324_get_default_reg(struct device *dev, int idx,
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break;
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ret = device_property_read_u32_array(dev, prop, pin_defs,
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ARRAY_SIZE(pin_defs));
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if (ret)
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break;
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for (pin = 0; pin < SX9324_NUM_PINS; pin++)
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raw |= (pin_defs[pin] << (2 * pin)) &
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SX9324_REG_AFE_PH0_PIN_MASK(pin);
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