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| author | Hans de Goede <hdegoede@redhat.com> | 2016-12-14 19:38:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-08 11:26:03 +0300 |
| commit | 36c56ac0f8977ac189d27a7aa401ea9dca678c5d (patch) | |
| tree | 4eb059679c9d6499c0fac6d883b032c8f9f2c04a | |
| parent | 0cde56d3b6721e8a69260861d268a8adcc6fcd33 (diff) | |
| download | linux-36c56ac0f8977ac189d27a7aa401ea9dca678c5d.tar.xz | |
power: supply: axp288_fuel_gauge: Fix fuel_gauge_reg_readb return on error
[ 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>
| -rw-r--r-- | drivers/power/supply/axp288_fuel_gauge.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c index 5bdde692f724..f62f9dfea984 100644 --- 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 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; } |