From 6f074bc878dc9b00c0df0bf3a8cb1d9e294cd881 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 14 Dec 2016 17:38:50 +0100 Subject: [PATCH] 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 Signed-off-by: Sebastian Reichel --- drivers/power/supply/axp288_fuel_gauge.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c index 539eb41504bb..86bb4d08b236 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; } -- 2.20.1