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power: supply: axp288_fuel_gauge: Fix fuel_gauge_reg_readb return on error
If reading the register fails, return the actual error code, instead of the uninitialized val variable; Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sebastian Reichel <sre@kernel.org>
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@ -169,8 +169,10 @@ static int fuel_gauge_reg_readb(struct axp288_fg_info *info, int reg)
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break;
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}
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if (ret < 0)
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if (ret < 0) {
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dev_err(&info->pdev->dev, "axp288 reg read err:%d\n", ret);
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return ret;
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}
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return val;
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}
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