[PATCH] drivers: power: supply: Compress return logic into one line.

From: Gustavo A. R. Silva
Date: Wed Jan 11 2017 - 21:46:16 EST


Simplify return logic to avoid unnecessary variable assignments.
These issues were detected using Coccinelle and the following semantic patch:

@@
local idexpression ret;
expression e;
@@

-ret =
+return
e;
-return ret;

Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
---
drivers/power/supply/pcf50633-charger.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/power/supply/pcf50633-charger.c b/drivers/power/supply/pcf50633-charger.c
index d05597b..b3c1873 100644
--- a/drivers/power/supply/pcf50633-charger.c
+++ b/drivers/power/supply/pcf50633-charger.c
@@ -393,7 +393,6 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
{
struct power_supply_config psy_cfg = {};
struct pcf50633_mbc *mbc;
- int ret;
int i;
u8 mbcs1;

@@ -419,8 +418,7 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
&psy_cfg);
if (IS_ERR(mbc->adapter)) {
dev_err(mbc->pcf->dev, "failed to register adapter\n");
- ret = PTR_ERR(mbc->adapter);
- return ret;
+ return PTR_ERR(mbc->adapter);
}

mbc->usb = power_supply_register(&pdev->dev, &pcf50633_mbc_usb_desc,
@@ -428,8 +426,7 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
if (IS_ERR(mbc->usb)) {
dev_err(mbc->pcf->dev, "failed to register usb\n");
power_supply_unregister(mbc->adapter);
- ret = PTR_ERR(mbc->usb);
- return ret;
+ return PTR_ERR(mbc->usb);
}

mbc->ac = power_supply_register(&pdev->dev, &pcf50633_mbc_ac_desc,
@@ -438,12 +435,10 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
dev_err(mbc->pcf->dev, "failed to register ac\n");
power_supply_unregister(mbc->adapter);
power_supply_unregister(mbc->usb);
- ret = PTR_ERR(mbc->ac);
- return ret;
+ return PTR_ERR(mbc->ac);
}

- ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
- if (ret)
+ if (sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group))
dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");

mbcs1 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCS1);
--
2.5.0