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path: root/drivers/misc/bh1770glc.c
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Diffstat (limited to 'drivers/misc/bh1770glc.c')
-rw-r--r--drivers/misc/bh1770glc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c
index cee632e..d79a972 100644
--- a/drivers/misc/bh1770glc.c
+++ b/drivers/misc/bh1770glc.c
@@ -649,7 +649,7 @@ static ssize_t bh1770_power_state_store(struct device *dev,
{
struct bh1770_chip *chip = dev_get_drvdata(dev);
unsigned long value;
- size_t ret;
+ ssize_t ret;
if (strict_strtoul(buf, 0, &value))
return -EINVAL;
@@ -659,8 +659,12 @@ static ssize_t bh1770_power_state_store(struct device *dev,
pm_runtime_get_sync(dev);
ret = bh1770_lux_rate(chip, chip->lux_rate_index);
- ret |= bh1770_lux_interrupt_control(chip, BH1770_ENABLE);
+ if (ret < 0) {
+ pm_runtime_put(dev);
+ goto leave;
+ }
+ ret = bh1770_lux_interrupt_control(chip, BH1770_ENABLE);
if (ret < 0) {
pm_runtime_put(dev);
goto leave;