From: Minghao Chi <chi.minghao@xxxxxxxxxx>
[ Upstream commit d96a89407e5f682d1cb22569d91784506c784863 ]
Using pm_runtime_resume_and_get is more appropriate
for simplifing code
Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
Stable-dep-of: 47c29d692129 ("power: supply: bq24190: Fix use after free bug in bq24190_remove due to race condition")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/power/supply/bq24190_charger.c | 63 +++++++++-----------------
1 file changed, 21 insertions(+), 42 deletions(-)
diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index 16c4876fe5afb..0d262fe9780ca 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -446,11 +446,9 @@ static ssize_t bq24190_sysfs_show(struct device *dev,
if (!info)
return -EINVAL;
- ret = pm_runtime_get_sync(bdi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
+ if (ret < 0)
return ret;
- }
ret = bq24190_read_mask(bdi, info->reg, info->mask, info->shift, &v);
if (ret)
@@ -481,11 +479,9 @@ static ssize_t bq24190_sysfs_store(struct device *dev,
if (ret < 0)
return ret;
- ret = pm_runtime_get_sync(bdi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
+ if (ret < 0)
return ret;
- }
ret = bq24190_write_mask(bdi, info->reg, info->mask, info->shift, v);
if (ret)
@@ -504,10 +500,9 @@ static int bq24190_set_charge_mode(struct regulator_dev *dev, u8 val)
struct bq24190_dev_info *bdi = rdev_get_drvdata(dev);
int ret;
- ret = pm_runtime_get_sync(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
if (ret < 0) {
dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", ret);
- pm_runtime_put_noidle(bdi->dev);
return ret;
}
@@ -537,10 +532,9 @@ static int bq24190_vbus_is_enabled(struct regulator_dev *dev)
int ret;
u8 val;
- ret = pm_runtime_get_sync(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
if (ret < 0) {
dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", ret);
- pm_runtime_put_noidle(bdi->dev);
return ret;
}
@@ -1081,11 +1075,9 @@ static int bq24190_charger_get_property(struct power_supply *psy,
dev_dbg(bdi->dev, "prop: %d\n", psp);
- ret = pm_runtime_get_sync(bdi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
+ if (ret < 0)
return ret;
- }
switch (psp) {
case POWER_SUPPLY_PROP_CHARGE_TYPE:
@@ -1155,11 +1147,9 @@ static int bq24190_charger_set_property(struct power_supply *psy,
dev_dbg(bdi->dev, "prop: %d\n", psp);
- ret = pm_runtime_get_sync(bdi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
+ if (ret < 0)
return ret;
- }
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
@@ -1418,11 +1408,9 @@ static int bq24190_battery_get_property(struct power_supply *psy,
dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n");
dev_dbg(bdi->dev, "prop: %d\n", psp);
- ret = pm_runtime_get_sync(bdi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
+ if (ret < 0)
return ret;
- }
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
@@ -1466,11 +1454,9 @@ static int bq24190_battery_set_property(struct power_supply *psy,
dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n");
dev_dbg(bdi->dev, "prop: %d\n", psp);
- ret = pm_runtime_get_sync(bdi->dev);
- if (ret < 0) {
- pm_runtime_put_noidle(bdi->dev);
+ ret = pm_runtime_resume_and_get(bdi->dev);
+ if (ret < 0)
return ret;
- }
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
@@ -1624,10 +1610,9 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data)
int error;
bdi->irq_event = true;
- error = pm_runtime_get_sync(bdi->dev);
+ error = pm_runtime_resume_and_get(bdi->dev);
if (error < 0) {
dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error);
- pm_runtime_put_noidle(bdi->dev);
return IRQ_NONE;
}
bq24190_check_status(bdi);
@@ -1847,11 +1832,9 @@ static int bq24190_remove(struct i2c_client *client)
struct bq24190_dev_info *bdi = i2c_get_clientdata(client);
int error;
- error = pm_runtime_get_sync(bdi->dev);
- if (error < 0) {
+ error = pm_runtime_resume_and_get(bdi->dev);
+ if (error < 0)
dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error);
- pm_runtime_put_noidle(bdi->dev);
- }
bq24190_register_reset(bdi);
if (bdi->battery)
@@ -1900,11 +1883,9 @@ static __maybe_unused int bq24190_pm_suspend(struct device *dev)
struct bq24190_dev_info *bdi = i2c_get_clientdata(client);
int error;
- error = pm_runtime_get_sync(bdi->dev);
- if (error < 0) {
+ error = pm_runtime_resume_and_get(bdi->dev);
+ if (error < 0)
dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error);
- pm_runtime_put_noidle(bdi->dev);
- }
bq24190_register_reset(bdi);
@@ -1925,11 +1906,9 @@ static __maybe_unused int bq24190_pm_resume(struct device *dev)
bdi->f_reg = 0;
bdi->ss_reg = BQ24190_REG_SS_VBUS_STAT_MASK; /* impossible state */
- error = pm_runtime_get_sync(bdi->dev);
- if (error < 0) {
+ error = pm_runtime_resume_and_get(bdi->dev);
+ if (error < 0)
dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error);
- pm_runtime_put_noidle(bdi->dev);
- }
bq24190_register_reset(bdi);
bq24190_set_config(bdi);
--
2.39.2
