| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 014/104] power: supply: axp288_fuel_gauge: Fix fuel_gauge_reg_readb return on error | Date | Fri, 6 Oct 2017 10:50:52 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Hans de Goede <hdegoede@redhat.com>
[ 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> --- drivers/power/supply/axp288_fuel_gauge.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/power/supply/axp288_fuel_gauge.c +++ b/drivers/power/supply/axp288_fuel_gauge.c @@ -169,8 +169,10 @@ static int fuel_gauge_reg_readb(struct a break; } - if (ret < 0) + if (ret < 0) { dev_err(&info->pdev->dev, "axp288 reg read err:%d\n", ret); + return ret; + } return val; }
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