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power: supply: axp288_fuel_gauge: Fix fuel_gauge_reg_readb return on error

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[ Upstream commit 6f074bc878dc9b00c0df0bf3a8cb1d9e294cd881 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2016-12-14 17:38:50 +01:00 committed by Greg Kroah-Hartman
parent 0cde56d3b6
commit 36c56ac0f8
1 changed files with 3 additions and 1 deletions
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4
drivers/power/supply/axp288_fuel_gauge.c
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@ -169,8 +169,10 @@ static int fuel_gauge_reg_readb(struct axp288_fg_info *info, int reg)
break;
}
if (ret < 0)
if (ret < 0) {
dev_err(&info->pdev->dev, "axp288 reg read err:%d\n", ret);
return ret;
}
return val;
}