linux-kernel - [PATCH -next] drivers: gnss: simplify the gnss code return expression

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Date:   Thu, 10 Dec 2020 21:51:42 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <johan@...nel.org>, <matthias.bgg@...il.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH -next] drivers: gnss: simplify the gnss code return expression

Simplify the return expression at diffrent .c file, fix this all.

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/gnss/core.c |  7 +------
 drivers/gnss/mtk.c  | 14 ++------------
 drivers/gnss/ubx.c  | 14 ++------------
 3 files changed, 5 insertions(+), 30 deletions(-)

diff --git a/drivers/gnss/core.c b/drivers/gnss/core.c
index e6f94501cb28..e6b9ac9da92c 100644
--- a/drivers/gnss/core.c
+++ b/drivers/gnss/core.c
@@ -368,13 +368,8 @@ ATTRIBUTE_GROUPS(gnss);
 static int gnss_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct gnss_device *gdev = to_gnss_device(dev);
-	int ret;
 
-	ret = add_uevent_var(env, "GNSS_TYPE=%s", gnss_type_name(gdev));
-	if (ret)
-		return ret;
-
-	return 0;
+	return add_uevent_var(env, "GNSS_TYPE=%s", gnss_type_name(gdev));
 }
 
 static int __init gnss_module_init(void)
diff --git a/drivers/gnss/mtk.c b/drivers/gnss/mtk.c
index d1fc55560daf..451cb6e66ec3 100644
--- a/drivers/gnss/mtk.c
+++ b/drivers/gnss/mtk.c
@@ -24,25 +24,15 @@ struct mtk_data {
 static int mtk_set_active(struct gnss_serial *gserial)
 {
 	struct mtk_data *data = gnss_serial_get_drvdata(gserial);
-	int ret;
 
-	ret = regulator_enable(data->vcc);
-	if (ret)
-		return ret;
-
-	return 0;
+	return regulator_enable(data->vcc);
 }
 
 static int mtk_set_standby(struct gnss_serial *gserial)
 {
 	struct mtk_data *data = gnss_serial_get_drvdata(gserial);
-	int ret;
 
-	ret = regulator_disable(data->vcc);
-	if (ret)
-		return ret;
-
-	return 0;
+	return regulator_disable(data->vcc);
 }
 
 static int mtk_set_power(struct gnss_serial *gserial,
diff --git a/drivers/gnss/ubx.c b/drivers/gnss/ubx.c
index 7b05bc40532e..7a22fc901fab 100644
--- a/drivers/gnss/ubx.c
+++ b/drivers/gnss/ubx.c
@@ -24,25 +24,15 @@ struct ubx_data {
 static int ubx_set_active(struct gnss_serial *gserial)
 {
 	struct ubx_data *data = gnss_serial_get_drvdata(gserial);
-	int ret;
 
-	ret = regulator_enable(data->vcc);
-	if (ret)
-		return ret;
-
-	return 0;
+	return regulator_enable(data->vcc);
 }
 
 static int ubx_set_standby(struct gnss_serial *gserial)
 {
 	struct ubx_data *data = gnss_serial_get_drvdata(gserial);
-	int ret;
 
-	ret = regulator_disable(data->vcc);
-	if (ret)
-		return ret;
-
-	return 0;
+	return regulator_disable(data->vcc);
 }
 
 static int ubx_set_power(struct gnss_serial *gserial,
-- 
2.22.0